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author | joshreve <j.a.shreve@gmail.com> | 2020-08-16 21:13:16 -0400 |
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committer | joshreve <j.a.shreve@gmail.com> | 2020-08-16 21:13:16 -0400 |
commit | 889e50856945e5fbf7febe3bb1516789e3b53f94 (patch) | |
tree | 9ede8a7dbb8c8d865e9d24ed313c2266e8868077 /src/dactyl_manuform.py | |
parent | 7b26338842899833d0da75a9b0e75466d0553af5 (diff) |
Conversion to Python 3 based file generation. Removed Clojure files and updated README.md.
Diffstat (limited to 'src/dactyl_manuform.py')
-rw-r--r-- | src/dactyl_manuform.py | 1017 |
1 files changed, 1017 insertions, 0 deletions
diff --git a/src/dactyl_manuform.py b/src/dactyl_manuform.py new file mode 100644 index 0000000..6f0ec0b --- /dev/null +++ b/src/dactyl_manuform.py @@ -0,0 +1,1017 @@ +import solid as sl +import numpy as np +from numpy import pi +import os.path as path + + +def deg2rad(degrees: float) -> float: + return degrees * pi/180 + +def rad2deg(rad: float) -> float: + return rad * 180/pi + +# ###################### +# ## Shape parameters ## +# ###################### + + +nrows = 5 # key rows +ncols = 6 # key columns + +alpha = pi/12.0 # curvature of the columns +beta = pi/36.0 # curvature of the rows +centerrow = nrows - 3 # controls front_back tilt +centercol = 3 # controls left_right tilt / tenting (higher number is more tenting) +tenting_angle = pi/12.0 # or, change this for more precise tenting control + +hot_swap = False + +if nrows > 5: + column_style ='orthographic' +else: + column_style = 'standard' # options include :standard, :orthographic, and :fixed + +# column_style='fixed' + +def column_offset(column: int) -> list: + if column == 2: + return [0, 2.82, -4.5] + elif column >= 4: + return [0, -12, 5.64] # original [0 -5.8 5.64] + else: + return [0, 0, 0] + +thumb_offsets = [6, -3, 7] +keyboard_z_offset = 9 # controls overall height# original=9 with centercol=3# use 16 for centercol=2 + +extra_width = 2.5 # extra space between the base of keys# original= 2 +extra_height = 1.0 # original= 0.5 + +wall_z_offset = -15 # length of the first downward_sloping part of the wall (negative) +wall_xy_offset = 5 # offset in the x and/or y direction for the first downward_sloping part of the wall (negative) +wall_thickness = 2 # wall thickness parameter# originally 5 + +## Settings for column_style == :fixed +## The defaults roughly match Maltron settings +## http://patentimages.storage.googleapis.com/EP0219944A2/imgf0002.png +## fixed_z overrides the z portion of the column ofsets above. +## NOTE: THIS DOESN'T WORK QUITE LIKE I'D HOPED. +fixed_angles = [deg2rad(10), deg2rad(10), 0, 0, 0, deg2rad(-15), deg2rad(-15)] +fixed_x = [-41.5, -22.5, 0, 20.3, 41.4, 65.5, 89.6] # relative to the middle finger +fixed_z = [12.1, 8.3, 0, 5, 10.7, 14.5, 17.5] +fixed_tenting = deg2rad(0) + +####################### +## General variables ## +####################### + +lastrow = nrows-1 +cornerrow = lastrow-1 +lastcol = ncols-1 + +################# +## Switch Hole ## +################# + +keyswitch_height = 14.4 ## Was 14.1, then 14.25 +keyswitch_width = 14.4 + +sa_profile_key_height = 12.7 + +plate_thickness = 4 +mount_width = keyswitch_width + 3 +mount_height = keyswitch_height + 3 + + +def single_plate(cylinder_segments=100): + top_wall = sl.cube([keyswitch_width + 3, 1.5, plate_thickness], center=True) + top_wall = sl.translate([ + 0, + (1.5/2)+(keyswitch_height/2), + plate_thickness/2 + ])(top_wall) + + left_wall = sl.cube([1.5, keyswitch_height + 3, plate_thickness], center=True) + left_wall = sl.translate([ + (1.5/2)+(keyswitch_width/2), + 0, + plate_thickness/2 + ])(left_wall) + + side_nub = sl.cylinder(1, 2.75, segments=cylinder_segments, center=True) + side_nub = sl.rotate(rad2deg(pi/2),[1, 0, 0])(side_nub) + side_nub = sl.translate([ keyswitch_width/2, 0, 1])(side_nub) + nub_cube = sl.cube([1.5, 2.75, plate_thickness], center=True) + nub_cube= sl.translate([ + (1.5/2)+(keyswitch_width/2), + 0, + plate_thickness/2])(nub_cube) + + side_nub = sl.hull()(side_nub, nub_cube) + + plate_half1 = top_wall + left_wall + side_nub + plate_half2 = plate_half1 + plate_half2 = sl.mirror([0, 1, 0])(plate_half2) + plate_half2 = sl.mirror([1, 0, 0])(plate_half2) + + plate = plate_half1 + plate_half2 + + if hot_swap: + hot_swap_socket = sl.import_(path.join(r'..', 'geometry', r'hot_swap_plate.stl')) + hot_swap_socket = sl.translate([0, 0, plate_thickness-5.25])(hot_swap_socket) + + plate = sl.union()(plate, hot_swap_socket) + + return plate + + + +################ +## SA Keycaps ## +################ + +sa_length = 18.25 +sa_double_length = 37.5 + + +def sa_cap(Usize = 1): + #MODIFIED TO NOT HAVE THE ROTATION. NEEDS ROTATION DURING ASSEMBLY + sa_length = 18.25 + + bw2 = Usize * sa_length / 2 + bl2 = sa_length / 2 + m = 0 + pw2 = 6 * Usize + 1 + pl2 = 6 + + if Usize==1: + m = 17 / 2 + + + k1 = sl.polygon([[bw2, bl2], [bw2, -bl2], [-bw2,-bl2], [-bw2, bl2]]) + k1 = sl.linear_extrude(height=0.1, twist=0, convexity=0, center=True)(k1) + k1 = sl.translate([0, 0, 0.05])(k1) + k2 = sl.polygon([[pw2, pl2], [pw2, -pl2], [-pw2,-pl2], [-pw2, pl2]]) + k2 = sl.linear_extrude(height=0.1, twist=0, convexity=0, center=True)(k2) + k2 = sl.translate([0, 0, 12.0])(k2) + if m > 0: + m1 = sl.polygon([[m, m], [m, -m], [-m,-m], [-m, m]]) + m1 = sl.linear_extrude(height=0.1, twist=0, convexity=0, center=True)(m1) + m1 = sl.translate([0, 0, 6.0])(m1) + key_cap = sl.hull()(k1,k2,m1) + else: + key_cap = sl.hull()(k1,k2) + + + key_cap = sl.translate([0, 0, 5 + plate_thickness])(key_cap) + key_cap = sl.color([220/255, 163/255, 163/255, 1])(key_cap) + + return key_cap + + + + +######################### +## Placement Functions ## +######################### + + +def rotate_around_x(position, angle): + # print((position, angle)) + t_matrix = np.array( + [[1, 0, 0], + [0, np.cos(angle), -np.sin(angle)], + [0, np.sin(angle), np.cos(angle)]]) + return np.matmul(t_matrix, position) + +def rotate_around_y(position, angle): + # print((position, angle)) + t_matrix = np.array( + [[np.cos(angle), 0, np.sin(angle)], + [0, 1, 0], + [-np.sin(angle), 0, np.cos(angle)]]) + return np.matmul(t_matrix, position) + + +cap_top_height = plate_thickness + sa_profile_key_height +row_radius = ((mount_height+extra_height)/2)/(np.sin(alpha/2))+cap_top_height +column_radius = (((mount_width+extra_width)/2)/(np.sin(beta/2)))+cap_top_height +column_x_delta = -1-column_radius*np.sin(beta) +column_base_angle = beta*(centercol-2) + +def apply_key_geometry(shape, translate_fn, rotate_x_fn, rotate_y_fn, column, row, column_style=column_style): + column_angle = beta*(centercol-column) + + if column_style=='orthographic': + column_z_delta = column_radius*(1-np.cos(column_angle)) + shape = translate_fn(shape, [0, 0, -row_radius]) + shape = rotate_x_fn(shape, alpha*(centerrow-row)) + shape = translate_fn(shape, [0, 0, row_radius]) + shape = rotate_y_fn(shape, column_angle) + shape = translate_fn(shape, [-(column-centercol)*column_x_delta, 0, column_z_delta]) + shape = translate_fn(shape, column_offset(column)) + + + elif column_style=='fixed': + shape = rotate_y_fn(shape, fixed_angles[column]) + shape = translate_fn(shape, [fixed_x[column], 0, fixed_z[column]]) + shape = translate_fn(shape, [0, 0, -(row_radius+fixed_z[column])]) + shape = rotate_x_fn(shape, alpha*(centerrow-row)) + shape = translate_fn(shape, [0, 0, row_radius+fixed_z[column]]) + shape = rotate_y_fn(shape, fixed_tenting) + shape = translate_fn(shape, [0, column_offset(column)[1], 0]) + + + else: + shape = translate_fn(shape, [0, 0, -row_radius]) + shape = rotate_x_fn(shape, alpha*(centerrow-row)) + shape = translate_fn(shape, [0, 0, row_radius]) + shape = translate_fn(shape, [0, 0, -column_radius]) + shape = rotate_y_fn(shape, column_angle) + shape = translate_fn(shape, [0, 0, column_radius]) + shape = translate_fn(shape, column_offset(column)) + + shape = rotate_y_fn(shape, tenting_angle) + shape = translate_fn(shape, [0, 0, keyboard_z_offset]) + + return shape + +def translate(shape, xyz): + return sl.translate(xyz)(shape) + +def x_rot(shape, angle): + return sl.rotate(rad2deg(angle), [1, 0, 0])(shape) + +def y_rot(shape, angle): + return sl.rotate(rad2deg(angle), [0, 1, 0])(shape) + +def key_place(shape, column, row): + return apply_key_geometry(shape, translate, x_rot, y_rot, column, row) + +def add_translate(shape, xyz): + vals=[] + for i in range(len(shape)): + vals.append(shape[i] + xyz[i]) + return vals + +def key_position(position, column, row): + return apply_key_geometry(position, add_translate, rotate_around_x, rotate_around_y, column, row) + + + + +def key_holes(): + hole = single_plate() + holes = [] + for column in range(ncols): + for row in range(nrows): + if (column in [2, 3]) or (not row==lastrow): + holes.append(key_place(hole, column, row)) + + return sl.union()(*holes) + +def caps(): + caps = [] + for column in range(ncols): + for row in range(nrows): + if (column in [2, 3]) or (not row==lastrow): + caps.append(key_place(sa_cap(), column, row)) + + return sl.union()(*caps) + + + +#################### +## Web Connectors ## +#################### + +web_thickness = 3.5 +post_size = 0.1 + +def web_post(): + post = sl.cube([post_size, post_size, web_thickness], center=True) + post = sl.translate([0,0, plate_thickness - (web_thickness/2)])(post) + return post + +post_adj = post_size / 2 + +def web_post_tr(): + return sl.translate([(mount_width/2)-post_adj, (mount_height/2)-post_adj, 0])(web_post()) +def web_post_tl(): + return sl.translate([-(mount_width/2)+post_adj, (mount_height/2)-post_adj, 0])(web_post()) +def web_post_bl(): + return sl.translate([-(mount_width/2)+post_adj, -(mount_height/2)+post_adj, 0])(web_post()) +def web_post_br(): + return sl.translate([(mount_width/2)-post_adj, -(mount_height/2)+post_adj, 0])(web_post()) + +def triangle_hulls(shapes): + hulls = [] + for i in range(len(shapes)-2): + hulls.append(sl.hull()(*shapes[i:(i+3)])) + + return sl.union()(*hulls) + +def connectors(): + hulls=[] + for column in range(ncols-1): + for row in range(lastrow): # need to consider last_row? + # for row in range(nrows): # need to consider last_row? + places=[] + places.append(key_place(web_post_tl(), column+1, row)) + places.append(key_place(web_post_tr(), column, row)) + places.append(key_place(web_post_bl(), column+1, row)) + places.append(key_place(web_post_br(), column, row)) + hulls.append(triangle_hulls(places)) + + for column in range(ncols): + # for row in range(nrows-1): + for row in range(cornerrow): + places=[] + places.append(key_place(web_post_bl(), column, row)) + places.append(key_place(web_post_br(), column, row)) + places.append(key_place(web_post_tl(), column, row+1)) + places.append(key_place(web_post_tr(), column, row+1)) + hulls.append(triangle_hulls(places)) + + for column in range(ncols-1): + # for row in range(nrows-1): # need to consider last_row? + for row in range(cornerrow): # need to consider last_row? + places=[] + places.append(key_place(web_post_br(), column, row)) + places.append(key_place(web_post_tr(), column, row+1)) + places.append(key_place(web_post_bl(), column+1, row)) + places.append(key_place(web_post_tl(), column+1, row+1)) + hulls.append(triangle_hulls(places)) + + return sl.union()(*hulls) + + + + +############ +## Thumbs ## +############ + +def thumborigin(): + origin = key_position([mount_width/2, -(mount_height/2), 0], 1, cornerrow) + for i in range(len(origin)): + origin[i] = origin[i] + thumb_offsets[i] + return origin + + +def thumb_tr_place(shape): + shape = sl.rotate( 10, [1, 0, 0])(shape) + shape = sl.rotate(-23, [0, 1, 0])(shape) + shape = sl.rotate( 10, [0, 0, 1])(shape) + shape = sl.translate(thumborigin())(shape) + shape = sl.translate([-12, -16, 3])(shape) + return shape + +def thumb_tl_place(shape): + shape = sl.rotate( 10, [1, 0, 0])(shape) + shape = sl.rotate(-23, [0, 1, 0])(shape) + shape = sl.rotate( 10, [0, 0, 1])(shape) + shape = sl.translate(thumborigin())(shape) + shape = sl.translate([-32, -15, -2])(shape) + return shape + +def thumb_mr_place(shape): + shape = sl.rotate( -6, [1, 0, 0])(shape) + shape = sl.rotate(-34, [0, 1, 0])(shape) + shape = sl.rotate( 48, [0, 0, 1])(shape) + shape = sl.translate(thumborigin())(shape) + shape = sl.translate([-29, -40, -13])(shape) + return shape + +def thumb_ml_place(shape): + shape = sl.rotate( 6, [1, 0, 0])(shape) + shape = sl.rotate(-34, [0, 1, 0])(shape) + shape = sl.rotate( 40, [0, 0, 1])(shape) + shape = sl.translate(thumborigin())(shape) + shape = sl.translate([-51, -25, -12])(shape) + return shape + +def thumb_br_place(shape): + shape = sl.rotate(-16, [1, 0, 0])(shape) + shape = sl.rotate(-33, [0, 1, 0])(shape) + shape = sl.rotate( 54, [0, 0, 1])(shape) + shape = sl.translate(thumborigin())(shape) + shape = sl.translate([-37.8, -55.3, -25.3])(shape) + return shape + +def thumb_bl_place(shape): + shape = sl.rotate( -4, [1, 0, 0])(shape) + shape = sl.rotate(-35, [0, 1, 0])(shape) + shape = sl.rotate( 52, [0, 0, 1])(shape) + shape = sl.translate(thumborigin())(shape) + shape = sl.translate([-56.3, -43.3, -23.5])(shape) + return shape + +def thumb_1x_layout(shape): + return sl.union()( + thumb_mr_place(shape), + thumb_ml_place(shape), + thumb_br_place(shape), + thumb_bl_place(shape), + ) + + +def thumb_15x_layout(shape): + return sl.union()( + thumb_tr_place(shape), + thumb_tl_place(shape), + ) + +def double_plate(): + plate_height = (sa_double_length-mount_height) / 3 + # plate_height = (2*sa_length-mount_height) / 3 + top_plate = sl.cube([mount_width, plate_height, web_thickness], center = True) + top_plate = sl.translate([ + 0, + (plate_height+mount_height) / 2, + plate_thickness-(web_thickness / 2) + ])(top_plate) + return sl.union()(top_plate, sl.mirror([0, 1, 0])(top_plate)) + +def thumbcaps(): + t1 = thumb_1x_layout(sa_cap(1)) + t15 = thumb_15x_layout(sl.rotate(pi/2,[0, 0, 1])(sa_cap(1.5))) + return t1 + t15 + + + +def thumb(): + shape = thumb_1x_layout(single_plate()) + shape += thumb_15x_layout(single_plate()) + shape += thumb_15x_layout(double_plate()) + return shape + + +def thumb_post_tr(): + return sl.translate([(mount_width/2)-post_adj, (mount_height/1.15)-post_adj, 0])(web_post()) + +def thumb_post_tl(): + return sl.translate([-(mount_width/2)+post_adj, (mount_height/1.15)-post_adj, 0])(web_post()) + +def thumb_post_bl(): + return sl.translate([-(mount_width/2)+post_adj, -(mount_height/1.15)+post_adj, 0])(web_post()) + +def thumb_post_br(): + return sl.translate([(mount_width/2)-post_adj, -(mount_height/1.15)+post_adj, 0])(web_post()) + + +def thumb_connectors(): + hulls = [] + + # Top two + hulls.append(triangle_hulls([ + thumb_tl_place(thumb_post_tr()), + thumb_tl_place(thumb_post_br()), + thumb_tr_place(thumb_post_tl()), + thumb_tr_place(thumb_post_bl()), + ])) + + # bottom two on the right + hulls.append(triangle_hulls([ + thumb_br_place(web_post_tr()), + thumb_br_place(web_post_br()), + thumb_mr_place(web_post_tl()), + thumb_mr_place(web_post_bl()), + ])) + + # bottom two on the left + hulls.append(triangle_hulls([ + thumb_br_place(web_post_tr()), + thumb_br_place(web_post_br()), + thumb_mr_place(web_post_tl()), + thumb_mr_place(web_post_bl()), + ])) + # centers of the bottom four + hulls.append(triangle_hulls([ + thumb_bl_place(web_post_tr()), + thumb_bl_place(web_post_br()), + thumb_ml_place(web_post_tl()), + thumb_ml_place(web_post_bl()), + ])) + + # top two to the middle two, starting on the left + hulls.append(triangle_hulls([ + thumb_br_place(web_post_tl()), + thumb_bl_place(web_post_bl()), + thumb_br_place(web_post_tr()), + thumb_bl_place(web_post_br()), + thumb_mr_place(web_post_tl()), + thumb_ml_place(web_post_bl()), + thumb_mr_place(web_post_tr()), + thumb_ml_place(web_post_br()), + ])) + + # top two to the main keyboard, starting on the left + hulls.append(triangle_hulls([ + thumb_tl_place(thumb_post_tl()), + thumb_ml_place(web_post_tr()), + thumb_tl_place(thumb_post_bl()), + thumb_ml_place(web_post_br()), + thumb_tl_place(thumb_post_br()), + thumb_mr_place(web_post_tr()), + thumb_tr_place(thumb_post_bl()), + thumb_mr_place(web_post_br()), + thumb_tr_place(thumb_post_br()), + ])) + + hulls.append(triangle_hulls([ + thumb_tl_place(thumb_post_tl()), + key_place(web_post_bl(), 0, cornerrow), + thumb_tl_place(thumb_post_tr()), + key_place(web_post_br(), 0, cornerrow), + thumb_tr_place(thumb_post_tl()), + key_place(web_post_bl(), 1, cornerrow), + thumb_tr_place(thumb_post_tr()), + key_place(web_post_br(), 1, cornerrow), + key_place(web_post_tl(), 2, lastrow), + key_place(web_post_bl(), 2, lastrow), + thumb_tr_place(thumb_post_tr()), + key_place(web_post_bl(), 2, lastrow), + thumb_tr_place(thumb_post_br()), + key_place(web_post_br(), 2, lastrow), + key_place(web_post_bl(), 3, lastrow), + key_place(web_post_tr(), 2, lastrow), + key_place(web_post_tl(), 3, lastrow), + key_place(web_post_bl(), 3, cornerrow), + key_place(web_post_tr(), 3, lastrow), + key_place(web_post_br(), 3, cornerrow), + key_place(web_post_bl(), 4, cornerrow), + ])) + + hulls.append(triangle_hulls([ + key_place(web_post_br(), 1, cornerrow), + key_place(web_post_tl(), 2, lastrow), + key_place(web_post_bl(), 2, cornerrow), + key_place(web_post_tr(), 2, lastrow), + key_place(web_post_br(), 2, cornerrow), + key_place(web_post_bl(), 3, cornerrow), + ])) + + hulls.append(triangle_hulls([ + key_place(web_post_tr(), 3, lastrow), + key_place(web_post_br(), 3, lastrow), + key_place(web_post_tr(), 3, lastrow), + key_place(web_post_bl(), 4, cornerrow), + ])) + + return sl.union()(*hulls) + + + + + +########## +## Case ## +########## + +def bottom_hull(p, height=.001): + shape = None + for item in p: + proj = sl.projection()(p) + t_shape = sl.linear_extrude(height=height, twist=0, convexity=0, center=True)(proj) + t_shape = sl.translate([0, 0, height/2-10])(t_shape) + if shape is None: + shape = t_shape + shape = sl.hull()(p, shape, t_shape) + return shape + +left_wall_x_offset = 10 +left_wall_z_offset = 3 + +def left_key_position(row, direction): + pos = np.array(key_position([-mount_width*0.5, direction*mount_height*0.5, 0], 0, row)) + return pos - np.array([left_wall_x_offset, 0, left_wall_z_offset]) + + +def left_key_place(shape, row, direction): + pos = left_key_position(row, direction) + return sl.translate(pos)(shape) + +def wall_locate1(dx, dy): + return [dx * wall_thickness, dy * wall_thickness, -1] + +def wall_locate2(dx, dy): + return [dx * wall_xy_offset, dy * wall_xy_offset, wall_z_offset] + +def wall_locate3(dx, dy): + return [dx * (wall_xy_offset + wall_thickness), dy * (wall_xy_offset + wall_thickness), wall_z_offset] + +def wall_brace(place1, dx1, dy1, post1, place2, dx2, dy2, post2): + hulls=[] + + hulls.append(place1(post1)) + hulls.append(place1(sl.translate(wall_locate1(dx1, dy1))(post1))) + hulls.append(place1(sl.translate(wall_locate2(dx1, dy1))(post1))) + hulls.append(place1(sl.translate(wall_locate3(dx1, dy1))(post1))) + + hulls.append(place2(post2)) + hulls.append(place2(sl.translate(wall_locate1(dx2, dy2))(post2))) + hulls.append(place2(sl.translate(wall_locate2(dx2, dy2))(post2))) + hulls.append(place2(sl.translate(wall_locate3(dx2, dy2))(post2))) + shape1 = sl.hull()(*hulls) + + hulls=[] + hulls.append(place1(sl.translate(wall_locate2(dx1, dy1))(post1))) + hulls.append(place1(sl.translate(wall_locate3(dx1, dy1))(post1))) + hulls.append(place2(sl.translate(wall_locate2(dx2, dy2))(post2))) + hulls.append(place2(sl.translate(wall_locate3(dx2, dy2))(post2))) + shape2 = bottom_hull(hulls) + + return shape1 + shape2 + +def key_wall_brace(x1, y1, dx1, dy1, post1, x2, y2, dx2, dy2, post2): + return wall_brace( + (lambda shape: key_place(shape, x1, y1)), dx1, dy1, post1, + (lambda shape: key_place(shape, x2, y2)), dx2, dy2, post2 + ) + + +def back_wall(): + x=0 + shape = key_wall_brace(x, 0, 0, 1, web_post_tl(), x, 0, 0, 1, web_post_tr()) + for i in range(ncols-1): + x=i+1 + shape += key_wall_brace(x, 0, 0, 1, web_post_tl(), x , 0, 0, 1, web_post_tr()) + shape += key_wall_brace(x, 0, 0, 1, web_post_tl(), x-1, 0, 0, 1, web_post_tr()) + shape += key_wall_brace(lastcol, 0, 0, 1, web_post_tr(), lastcol, 0, 1, 0, web_post_tr()) + return shape + +def right_wall(): + y=0 + shape = key_wall_brace(lastcol, y, 1, 0, web_post_tr(), lastcol, y , 1, 0, web_post_br()) + for i in range(lastrow-1): + y=i+1 + shape += key_wall_brace(lastcol, y, 1, 0, web_post_tr(), lastcol, y , 1, 0, web_post_br()) + shape += key_wall_brace(lastcol, y, 1, 0, web_post_br(), lastcol, y-1, 1, 0, web_post_tr()) + shape += key_wall_brace(lastcol, cornerrow, 0, -1, web_post_br(), lastcol, cornerrow, 1, 0, web_post_br()) + return shape + + + +def left_wall(): + shape = wall_brace( + (lambda sh: key_place(sh, 0, 0)), 0, 1, web_post_tl(), + (lambda sh: left_key_place(sh, 0, 1)), 0, 1, web_post() + ) + + shape += wall_brace( + (lambda sh: left_key_place(sh, 0, 1)), 0, 1, web_post(), + (lambda sh: left_key_place(sh, 0, 1)), -1, 0, web_post() + ) + + for i in range(lastrow): + y=i + temp_shape1 = wall_brace( + (lambda sh: left_key_place(sh, y, 1)), -1, 0, web_post(), + (lambda sh: left_key_place(sh, y,-1)), -1, 0, web_post() + ) + temp_shape2 = sl.hull()( + key_place(web_post_tl(), 0, y), + key_place(web_post_bl(), 0, y), + left_key_place(web_post(), y, 1), + left_key_place(web_post(), y, -1), + ) + shape += temp_shape1 + temp_shape2 + + + for i in range(lastrow-1): + y=i+1 + temp_shape1 = wall_brace( + (lambda sh: left_key_place(sh, y-1, -1)), -1, 0, web_post(), + (lambda sh: left_key_place(sh, y , 1)), -1, 0, web_post() + ) + temp_shape2 = sl.hull()( + key_place(web_post_tl(), 0, y ), + key_place(web_post_bl(), 0, y-1), + left_key_place(web_post(), y , 1), + left_key_place(web_post(), y-1, -1), + ) + shape += temp_shape1 + temp_shape2 + + return shape + + +def front_wall(): + shape = key_wall_brace( + lastcol, 0, 0, 1, web_post_tr(), + lastcol, 0, 1, 0, web_post_tr() + ) + shape += key_wall_brace( + 3, lastrow, 0, -1, web_post_bl(), + 3, lastrow, 0.5, -1, web_post_br() + ) + shape += key_wall_brace( + 3, lastrow, 0.5, -1, web_post_br(), + 4, cornerrow, 1, -1, web_post_bl() + ) + for i in range(ncols-4): + x=i+4 + shape += key_wall_brace( + x, cornerrow, 0, -1, web_post_bl(), + x, cornerrow, 0, -1, web_post_br() + ) + for i in range(ncols-5): + x=i+5 + shape += key_wall_brace( + x , cornerrow, 0, -1, web_post_bl(), + x-1, cornerrow, 0, -1, web_post_br() + ) + + return shape + + + + + + +def thumb_walls(): + # thumb, walls + shape = wall_brace(thumb_mr_place, 0, -1, web_post_br(), thumb_tr_place, 0, -1, thumb_post_br()) + shape += wall_brace(thumb_mr_place, 0, -1, web_post_br(), thumb_mr_place, 0, -1, web_post_bl()) + shape += wall_brace(thumb_br_place, 0, -1, web_post_br(), thumb_br_place, 0, -1, web_post_bl()) + shape += wall_brace(thumb_ml_place, -0.3, 1, web_post_tr(), thumb_ml_place, 0, 1, web_post_tl()) + shape += wall_brace(thumb_bl_place, 0, 1, web_post_tr(), thumb_bl_place, 0, 1, web_post_tl()) + shape += wall_brace(thumb_br_place, -1, 0, web_post_tl(), thumb_br_place, -1, 0, web_post_bl()) + shape += wall_brace(thumb_bl_place, -1, 0, web_post_tl(), thumb_bl_place, -1, 0, web_post_bl()) + # thumb, corners + shape += wall_brace(thumb_br_place, -1, 0, web_post_bl(), thumb_br_place, 0, -1, web_post_bl()) + shape += wall_brace(thumb_bl_place, -1, 0, web_post_tl(), thumb_bl_place, 0, 1, web_post_tl()) + # thumb, tweeners + shape += wall_brace(thumb_mr_place, 0,-1, web_post_bl(), thumb_br_place, 0, -1, web_post_br()) + shape += wall_brace(thumb_ml_place, 0, 1, web_post_tl(), thumb_bl_place, 0, 1, web_post_tr()) + shape += wall_brace(thumb_bl_place, -1, 0, web_post_bl(), thumb_br_place, -1, 0, web_post_tl()) + shape += wall_brace(thumb_tr_place, 0,-1, thumb_post_br(), (lambda sh: key_place(sh, 3, lastrow)), 0, -1, web_post_bl()) + + return shape + + +def thumb_connection(): + # clunky bit on the top left thumb connection (normal connectors don't work well) + shape = bottom_hull([ + left_key_place(sl.translate(wall_locate2(-1, 0))(web_post()), cornerrow, -1), + left_key_place(sl.translate(wall_locate3(-1, 0))(web_post()), cornerrow, -1), + thumb_ml_place(sl.translate(wall_locate2(-0.3, 1))(web_post_tr())), + thumb_ml_place(sl.translate(wall_locate3(-0.3, 1))(web_post_tr())), + ]) + + shape += sl.hull()([ + left_key_place(sl.translate(wall_locate2( -1, 0))(web_post()), cornerrow, -1), + left_key_place(sl.translate(wall_locate3( -1, 0))(web_post()), cornerrow, -1), + thumb_ml_place(sl.translate(wall_locate2(-0.3, 1))(web_post_tr())), + thumb_ml_place(sl.translate(wall_locate3(-0.3, 1))(web_post_tr())), + thumb_tl_place(thumb_post_tl()), + ]) + + shape += sl.hull()([ + left_key_place(web_post(), cornerrow, -1), + left_key_place(sl.translate(wall_locate1(-1, 0))(web_post()), cornerrow, -1), + left_key_place(sl.translate(wall_locate2(-1, 0))(web_post()), cornerrow, -1), + left_key_place(sl.translate(wall_locate3(-1, 0))(web_post()), cornerrow, -1), + thumb_tl_place(thumb_post_tl()), + ]) + + shape += sl.hull()([ + left_key_place(web_post(), cornerrow, -1), + left_key_place(sl.translate(wall_locate1(-1, 0))(web_post()), cornerrow, -1), + key_place(web_post_bl(), 0, cornerrow), + key_place(sl.translate(wall_locate1(-1, 0))(web_post_bl()), 0, cornerrow), + thumb_tl_place(thumb_post_tl()), + ]) + + shape += sl.hull()([ + thumb_ml_place(web_post_tr()), + thumb_ml_place(sl.translate(wall_locate1(-0.3, 1))(web_post_tr())), + thumb_ml_place(sl.translate(wall_locate2(-0.3, 1))(web_post_tr())), + thumb_ml_place(sl.translate(wall_locate3(-0.3, 1))(web_post_tr())), + thumb_tl_place(thumb_post_tl()), + ]) + + return shape + + +def case_walls(): + return back_wall()+left_wall()+right_wall()+front_wall()+thumb_walls()+thumb_connection() + + + + +rj9_start = list(np.array([0, -3, 0]) + + np.array(key_position( + list(np.array(wall_locate3(0, 1))+np.array([0, (mount_height/2), 0])), 0, 0))) + +rj9_position = [rj9_start[0], rj9_start[1], 11] + +def rj9_cube(): + return sl.cube([14.78, 13, 22.38], center=True) + +def rj9_space(): + return sl.translate(rj9_position)(rj9_cube()) + +def rj9_holder(): + shape = sl.union()( + sl.translate([0, 2, 0])(sl.cube([10.78, 9, 18.38], center=True)), + sl.translate([0, 0, 5])(sl.cube([10.78, 13, 5], center=True)), + ) + shape = sl.difference()(shape, rj9_cube()) + shape = sl.translate(rj9_position)(shape) + return shape + + +usb_holder_position = key_position(np.array(wall_locate2(0, 1)) + np.array([0, (mount_height/2), 0]), 1, 0) +usb_holder_size = [6.5, 10.0, 13.6] +usb_holder_thickness = 4 + +def usb_holder(): + shape = sl.cube([usb_holder_size[0]+usb_holder_thickness, usb_holder_size[1], usb_holder_size[2]+usb_holder_thickness], center=True) + shape = sl.translate([usb_holder_position[0], usb_holder_position[1], (usb_holder_size[2]+usb_holder_thickness)/2])(shape) + return shape + +def usb_holder_hole(): + shape = sl.cube(usb_holder_size, center=True) + shape = sl.translate([usb_holder_position[0], usb_holder_position[1], (usb_holder_size[2]+usb_holder_thickness)/2])(shape) + return shape + +teensy_width = 20 +teensy_height = 12 +teensy_length = 33 +teensy2_length = 53 +teensy_pcb_thickness = 2 +teensy_holder_width = 7 + teensy_pcb_thickness +teensy_holder_height = 6 + teensy_width +teensy_offset_height = 5 +teensy_holder_top_length = 18 +teensy_top_xy = key_position(wall_locate3(-1, 0), 0, centerrow-1) +teensy_bot_xy = key_position(wall_locate3(-1, 0), 0, centerrow+1) +teensy_holder_length = teensy_top_xy[1]-teensy_bot_xy[1] +teensy_holder_offset = -teensy_holder_length/2 +teensy_holder_top_offset = (teensy_holder_top_length/2)-teensy_holder_length + +def teensy_holder(): + s1 = sl.cube([3, teensy_holder_length, 6+teensy_width], center=True) + s1 = sl.translate([1.5, teensy_holder_offset, 0])(s1) + + s2 = sl.cube([teensy_pcb_thickness, teensy_holder_length, 3], center=True) + s2 = sl.translate([(teensy_pcb_thickness/2)+3, teensy_holder_offset, -1.5-(teensy_width/2)])(s2) + + s3 = sl.cube([teensy_pcb_thickness, teensy_holder_top_length, 3], center=True) + s3 = sl.translate([(teensy_pcb_thickness/2)+3, teensy_holder_top_offset, 1.5+(teensy_width/2)])(s3) + + s4 = sl.cube([4, teensy_holder_top_length, 4], center=True) + s4 = sl.translate([teensy_pcb_thickness+5, teensy_holder_top_offset, 1+(teensy_width/2)])(s4) + + shape = sl.union()(s1, s2, s3, s4) + + shape = sl.translate([-teensy_holder_width, 0, 0])(shape) + shape = sl.translate([-1.4, 0, 0])(shape) + shape = sl.translate([teensy_top_xy[0], teensy_top_xy[1]-1, (6+teensy_width)/2])(shape) + + return shape + + +def screw_insert_shape(bottom_radius, top_radius, height): + shape = sl.union()( + sl.cylinder(r1=bottom_radius, r2=top_radius, h=height, center=True), + sl.translate([0, 0, (height/2)])(sl.sphere(top_radius)), + ) + return shape + + + +def screw_insert(column, row, bottom_radius, top_radius, height): + shift_right = column==lastcol + shift_left = column==0 + shift_up = (not (shift_right or shift_left)) and (row==0) + shift_down = (not (shift_right or shift_left)) and (row>=lastrow) + + if shift_up: + position = key_position(np.array(wall_locate2(0, 1))+np.array([0, (mount_height/2), 0]), column, row) + elif shift_down: + position = key_position(np.array(wall_locate2(0, -1))-np.array([0, (mount_height/2), 0]), column, row) + elif shift_left: + position = list(np.array(left_key_position(row, 0))+np.array(wall_locate3(-1, 0))) + else: + position = key_position(np.array(wall_locate2(1, 0))+np.array([(mount_height/2), 0, 0]), column, row) + + shape = screw_insert_shape(bottom_radius, top_radius, height) + shape = sl.translate([position[0], position[1], height/2])(shape) + + return shape + +def screw_insert_all_shapes(bottom_radius, top_radius, height): + shape = sl.union()( + screw_insert(0, 0, bottom_radius, top_radius, height), + screw_insert(0, lastrow, bottom_radius, top_radius, height), + screw_insert(2, lastrow+0.3, bottom_radius, top_radius, height), + screw_insert(3, 0, bottom_radius, top_radius, height), + screw_insert(lastcol, 1, bottom_radius, top_radius, height), + ) + + return shape + +screw_insert_height = 3.8 +screw_insert_bottom_radius = 5.31/2 +screw_insert_top_radius = 5.1/2 +screw_insert_holes = screw_insert_all_shapes(screw_insert_bottom_radius, screw_insert_top_radius, screw_insert_height) +screw_insert_outers = screw_insert_all_shapes(screw_insert_bottom_radius+1.6, screw_insert_top_radius+1.6, screw_insert_height+1.5) +screw_insert_screw_holes = screw_insert_all_shapes(1.7, 1.7, 350) + +wire_post_height = 7 +wire_post_overhang = 3.5 +wire_post_diameter = 2.6 + +def wire_post(direction, offset): + s1 = sl.cube([wire_post_diameter, wire_post_diameter, wire_post_height], center = True) + s1 = sl.translate([0, -wire_post_diameter*0.5*direction, 0])(s1) + + s2 = sl.cube([wire_post_diameter, wire_post_overhang, wire_post_diameter], center = True) + s2 = sl.translate([0, -wire_post_overhang*0.5*direction, -wire_post_height/2])(s2) + + shape = sl.union()(s1, s2) + shape = sl.translate([0, -offset, (-wire_post_height/2)+3])(shape) + shape = sl.rotate(-alpha/2, [1, 0, 0])(shape) + shape = sl.translate([3, -mount_height/2, 0])(shape) + + return shape + +def wire_posts(): + shape = thumb_ml_place(sl.translate([-5, 0, -2])(wire_post(1, 0))) + shape += thumb_ml_place(sl.translate([0, 0, -2.5])(wire_post(-1, 6))) + shape += thumb_ml_place(sl.translate([5, 0, -2])(wire_post(1, 0))) + + for column in range(lastcol): + for row in range(lastrow-1): + shape += sl.union()( + key_place(sl.translate([-5, 0, 0])(wire_post( 1, 0)), column, row), + key_place(sl.translate([ 0, 0, 0])(wire_post(-1, 6)), column, row), + key_place(sl.translate([ 5, 0, 0])(wire_post( 1, 0)), column, row), + ) + return shape + + + + + +def model_right(): + shape = sl.union()( + key_holes(), + connectors(), + thumb(), + thumb_connectors(), + ) + + s2 = sl.union()( + case_walls(), + screw_insert_outers(), + teensy_holder(), + usb_holder(), + ) + + s2 = sl.difference()( + s2, + rj9_space(), + usb_holder_hole(), + screw_insert_holes() + ) + + shape = sl.union()( + shape, + s2, + rj9_holder(), + wire_posts(), + ) + + shape -= sl.translate([0, 0, -20])(sl.cube([350, 350, 40], center=True)) + return shape + + +sl.scad_render_to_file(model_right(), path.join(r'..', 'things', r'right_py.scad')) + +sl.scad_render_to_file(sl.mirror([-1, 0, 0])(model_right()), path.join(r'..', 'things', r'left_py.scad')) + + +def baseplate(): + shape = sl.union()( + case_walls(), + teensy_holder(), + # rj9_holder(), + screw_insert_outers(), + ) + + tool = sl.translate([0, 0, -10])(screw_insert_screw_holes()) + + shape = shape - tool + + shape = sl.translate([0, 0, -.1])(shape) + + return sl.projection(cut=True)(shape) + +sl.scad_render_to_file(baseplate(), path.join(r'..', 'things', r'plate_py.scad')) + + + + |