sam.hadow/keyboard_scad
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Sam Hadow
2026-02-22 11:33:39 +01:00
commit db51f48289
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.gitignore vendored Normal file
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*.stl

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README.md Normal file
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// --- Toggle which part to render ---
render_part = "full";
// --- Parameters ---
columns = 14;
rows = 5;
u_size = 19.05;
switch_outer_width = 14.2;
switch_inner_width = 13.2;
switch_total_height = 14.2;
notch_height = 4.0;
plate_thickness = 1.5;
margin = 5.0;
// --- Calculated Plate Dimensions ---
plate_width = (columns - 1) * u_size + switch_outer_width + (margin * 2);
plate_height = (rows - 1) * u_size + switch_total_height + (margin * 2);
split_point = plate_width / 2;
// --- Modules ---
module switch_cutout() {
union() {
cube([switch_inner_width, switch_total_height, plate_thickness + 2], center=true);
translate([0, (switch_total_height - (switch_total_height-notch_height)/2)/2, 0])
cube([switch_outer_width, (switch_total_height-notch_height)/2, plate_thickness + 2], center=true);
translate([0, -(switch_total_height - (switch_total_height-notch_height)/2)/2, 0])
cube([switch_outer_width, (switch_total_height-notch_height)/2, plate_thickness + 2], center=true);
}
}
module stabilizer_cutout(wire_len_u) {
dist = (wire_len_u == 6.25) ? 100 : 23.85;
union() {
switch_cutout();
for(m = [-1, 1]) {
translate([m * dist/2, 0, 0]) {
cube([3.3, 14.0, plate_thickness + 2], center=true);
translate([m * 0.5, 0, 0])
cube([4.3, 8.0, plate_thickness + 2], center=true);
}
}
}
}
module whole_plate() {
difference() {
cube([plate_width, plate_height, plate_thickness]);
translate([margin + switch_outer_width/2, margin + switch_total_height/2, plate_thickness/2]) {
for (r = [0 : rows - 1]) {
for (c = [0 : columns - 1]) {
translate([c * u_size, r * u_size, 0]) {
// --- ROW 0: BOTTOM ROW ---
if (r == 0) {
if (c < 3) {
switch_cutout();
}
else if (c == 3) {
translate([u_size * 3, 0, 0]) stabilizer_cutout(6.25);
}
else if (c >= 10) {
switch_cutout();
}
}
// --- ROW 2: THIRD ROW (ENTER) ---
else if (r == 2) {
if (c < 12) {
switch_cutout();
} else if (c == 12) {
translate([u_size * 0.5, 0, 0]) stabilizer_cutout(2);
}
}
// --- ALL OTHER ROWS ---
else {
switch_cutout();
}
}
}
}
}
}
}
// --- Render ---
if (render_part == "left") {
intersection() { whole_plate(); cube([split_point, plate_height, plate_thickness + 2]); }
} else if (render_part == "right") {
translate([-split_point, 0, 0]) intersection() {
whole_plate();
translate([split_point, 0, -1]) cube([split_point, plate_height, plate_thickness + 2]);
}
} else {
whole_plate();
}

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// --- Parameters ---
columns = 4;
rows = 6;
u_size = 19.05;
switch_outer_width = 14.2;
switch_inner_width = 13.2;
switch_total_height = 14.2;
notch_height = 4.0;
plate_thickness = 1.5;
margin = 5.0;
// --- Calculated Plate Dimensions ---
plate_width = (columns - 1) * u_size + switch_outer_width + (margin * 2);
plate_height = (rows - 1) * u_size + switch_total_height + (margin * 2);
// --- Modules ---
module switch_cutout() {
union() {
cube([switch_inner_width, switch_total_height, plate_thickness + 2], center=true);
translate([0, (switch_total_height - (switch_total_height-notch_height)/2)/2, 0])
cube([switch_outer_width, (switch_total_height-notch_height)/2, plate_thickness + 2], center=true);
translate([0, -(switch_total_height - (switch_total_height-notch_height)/2)/2, 0])
cube([switch_outer_width, (switch_total_height-notch_height)/2, plate_thickness + 2], center=true);
}
}
module stabilizer_cutout(is_vertical=false) {
dist = 23.85; // Standard 2u stabilizer distance
union() {
switch_cutout();
rotate([0, 0, is_vertical ? 90 : 0]) {
for(m = [-1, 1]) {
translate([m * dist/2, 0, 0]) {
cube([3.3, 14.0, plate_thickness + 2], center=true);
translate([m * 0.5, 0, 0])
cube([4.3, 8.0, plate_thickness + 2], center=true);
}
}
}
}
}
module whole_plate() {
difference() {
cube([plate_width, plate_height, plate_thickness]);
translate([margin + switch_outer_width/2, margin + switch_total_height/2, plate_thickness/2]) {
for (r = [0 : rows - 1]) {
for (c = [0 : columns - 1]) {
translate([c * u_size, r * u_size, 0]) {
// 1. COLUMN 3: (Enter, Plus, and 2 1U Keys)
if (c == 3) {
if (r == 0 || r == 2) {
// Bottom 2 2U Vertical keys
translate([0, u_size/2, 0]) stabilizer_cutout(true);
} else if (r == 4 || r == 5) {
// Top 2 1U keys
switch_cutout();
}
}
// 2. BOTTOM ROW: 2U '0' Key (Cols 0 and 1)
else if (r == 0 && (c == 0 || c == 1)) {
if (c == 0) translate([u_size/2, 0, 0]) stabilizer_cutout(false);
}
// 3. OTHER 1U KEYS
else {
switch_cutout();
}
}
}
}
}
}
}
// --- full render ---
whole_plate();

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// --- Parameters ---
columns = 14;
rows = 5;
switch_spacing = 19.05;
switch_outer_width = 14.2;
switch_total_height = 14.2;
margin = 5.0;
plate_w = (columns - 1) * switch_spacing + switch_outer_width + (margin * 2);
plate_h = (rows - 1) * switch_spacing + switch_total_height + (margin * 2);
// --- Plate ---
plate_thickness = 1.5;
plate_slack = 0.15;
recess_depth = 2.5;
// --- Case Dimensions ---
case_angle = 5;
wall_thickness = 4.0;
front_height = 18.0;
clearance = 0.25;
floor_thickness = 4.0;
rim_extra_height = 3.0;
pillar_dia = 3;
case_w = plate_w + (wall_thickness * 2) + (clearance * 2) - 2;
case_h = ((plate_h - 2) * cos(case_angle)) + (wall_thickness * 2) + (clearance * 2);
back_height = front_height + (tan(case_angle) * case_h);
// --- USB-C and Controller Holder ---
usb_w = 12.0;
usb_h = 6.5;
usb_x_offset = 60.0;
usb_z_pos = floor_thickness;
holder_x = 20.0;
holder_y = 35.0;
holder_height = 5.0;
holder_wall = 2.0;
// --- Splitting ---
joint_clearance = 0.05;
tab_size = 10;
// --- Clips ---
clip_width = 10.0;
clip_depth = 1.5;
clip_height = 1.5;
module controller_holder() {
x_pos = usb_x_offset + (usb_w/2) - (holder_x/2) - holder_wall;
y_inner_wall = case_h - wall_thickness;
y_pos = y_inner_wall - holder_y - holder_wall;
translate([x_pos, y_pos, floor_thickness]) {
difference() {
cube([holder_x + (holder_wall * 2), holder_y + holder_wall, holder_height]);
translate([holder_wall, holder_wall, -0.1])
cube([holder_x, holder_y + 0.1, holder_height + 0.2]);
}
}
}
module usb_cutout() {
translate([usb_x_offset, case_h - wall_thickness - 1, usb_z_pos])
cube([usb_w, wall_thickness + 2, usb_h]);
}
module angled_clip() {
color("red")
rotate([case_angle, 0, 0])
cube([clip_width, clip_depth, clip_height]);
}
module support_pillars() {
// Gap indices: x means the gap between column/row x and x+1
col_gaps = [3, 6, 8, 11];
row_gaps = [1, 2, 3];
// Plate start positions in case coordinates
plate_start_x = (case_w - plate_w)/2 - 2;
plate_start_y = (case_h - (plate_h * cos(case_angle)))/2 - 2 * cos(case_angle);
intersection() {
union() {
for (c = col_gaps) {
for (r = row_gaps) {
// X is simple: plate offset + margin + (gap index * spacing)
x_pos = plate_start_x + margin + (c * switch_spacing);
// Y must account for the tilt contraction (cos)
y_pos_flat = margin + (r * switch_spacing);
y_pos = plate_start_y + (y_pos_flat * cos(case_angle));
translate([x_pos, y_pos, 0])
cylinder(d = pillar_dia, h = back_height + 10, $fn = 32);
}
}
}
// Clipping volume: Vertical space from floor up to the underside of the tilted plate
// This ensures the pillars are vertical but have an angled top surface
translate([0, plate_start_y, front_height - recess_depth])
rotate([case_angle, 0, 0])
translate([-50, 0, -500]) // Big volume below the plate
cube([case_w + 100, plate_h, 500]);
}
}
module case_full_geometry() {
clip_z_offset = plate_thickness + plate_slack;
// Exact dimensions for the recess
recess_w = plate_w + (plate_slack * 2);
recess_h = plate_h + (plate_slack * 2);
union() {
difference() {
// 1. Shell
polyhedron(
points=[
[0,0,0], [case_w,0,0], [case_w,case_h,0], [0,case_h,0],
[0,0,front_height + rim_extra_height], [case_w,0,front_height + rim_extra_height],
[0,case_h,back_height + rim_extra_height], [case_w,case_h,back_height + rim_extra_height]
],
faces=[[0,1,2,3], [4,5,1,0], [7,6,3,2], [5,7,2,1], [6,4,0,3], [4,6,7,5]]
);
// 2. Internal Tub
translate([wall_thickness, wall_thickness, floor_thickness])
cube([case_w - (wall_thickness * 2), case_h - (wall_thickness * 2), back_height + 20]);
// 3. The Plate Recess (Hardcode removed, now using plate_slack)
translate([(case_w - recess_w)/2, (case_h - (recess_h * cos(case_angle)))/2, front_height - recess_depth])
rotate([case_angle, 0, 0])
cube([recess_w, recess_h, 20]);
}
support_pillars();
// 4. Clips
for (i = [0:5]) {
z_front = (front_height - recess_depth) + clip_z_offset;
translate([wall_thickness + (case_w - wall_thickness*2)/7 * (i+1) - clip_width/2, wall_thickness - clip_depth, z_front])
angled_clip();
y_back_wall = case_h - wall_thickness;
z_back_shelf = (front_height - recess_depth) + (tan(case_angle) * (y_back_wall - wall_thickness));
z_back_clip = z_back_shelf + clip_z_offset;
translate([wall_thickness + (case_w - wall_thickness*2)/7 * (i+1) - clip_width/2, y_back_wall - clip_depth * 0.5, z_back_clip])
angled_clip();
}
}
}
module jigsaw_cutter(gap) {
union() {
translate([case_w/2 + gap, -1, -1])
cube([case_w, case_h + 2, back_height + 40]);
translate([case_w/2 - tab_size + gap, case_h/2 - 15, -1])
linear_extrude(back_height + 40)
polygon(points=[[gap,0], [tab_size, -5], [tab_size, 35], [gap, 30]]);
}
}
// --- Render ---
render_part = "both";
if (render_part == "left" || render_part == "both") {
union() {
difference() {
case_full_geometry();
jigsaw_cutter(-joint_clearance);
usb_cutout();
}
controller_holder();
}
}
if (render_part == "right" || render_part == "both") {
translate([render_part == "both" ? 10 : 0, 0, 0])
intersection() {
case_full_geometry();
jigsaw_cutter(joint_clearance);
}
}

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// --- Parameters ---
columns = 4; // Numpad Width
rows = 6; // Numpad Height
switch_spacing = 19.05;
switch_outer_width = 14.2;
switch_total_height = 14.2;
margin = 5.0;
plate_w = (columns - 1) * switch_spacing + switch_outer_width + (margin * 2);
plate_h = (rows - 1) * switch_spacing + switch_total_height + (margin * 2);
// --- Plate ---
plate_thickness = 1.5;
plate_slack = 0.15;
recess_depth = 2.5;
// --- Case Dimensions ---
case_angle = 5;
wall_thickness = 4.0;
front_height = 18.0;
clearance = 0.25;
floor_thickness = 4.0;
rim_extra_height = 3.0;
pillar_dia = 3;
case_w = plate_w + (wall_thickness * 2) + (clearance * 2) - 2;
case_h = (plate_h * cos(case_angle)) + (wall_thickness * 2) + (clearance * 2) - 2 * cos(case_angle);
back_height = front_height + (tan(case_angle) * case_h);
// --- USB-C and Controller Holder ---
usb_w = 12.0;
usb_h = 6.5;
usb_x_offset = (case_w / 2) - (usb_w / 2);
usb_z_pos = floor_thickness;
holder_x = 20.0;
holder_y = 30.0;
holder_height = 5.0;
holder_wall = 2.0;
// --- Clips ---
clip_width = 10.0;
clip_depth = 1.5;
clip_height = 1.5;
module controller_holder() {
x_pos = (case_w / 2) - (holder_x / 2) - holder_wall;
y_inner_wall = case_h - wall_thickness;
y_pos = y_inner_wall - holder_y - holder_wall;
translate([x_pos, y_pos, floor_thickness]) {
difference() {
cube([holder_x + (holder_wall * 2), holder_y + holder_wall, holder_height]);
translate([holder_wall, holder_wall, -0.1])
cube([holder_x, holder_y + 0.1, holder_height + 0.2]);
}
}
}
module usb_cutout() {
translate([usb_x_offset, case_h - wall_thickness - 1, usb_z_pos])
cube([usb_w, wall_thickness + 2, usb_h]);
}
module angled_clip() {
color("red")
rotate([case_angle, 0, 0])
cube([clip_width, clip_depth, clip_height]);
}
module support_pillars() {
col_gaps = [1, 3];
row_gaps = [1, 3, 5];
plate_start_x = (case_w - plate_w)/2 - 2;
plate_start_y = (case_h - (plate_h * cos(case_angle)))/2 - 2 * cos(case_angle);
intersection() {
union() {
for (c = col_gaps) {
for (r = row_gaps) {
x_pos = plate_start_x + margin + (c * switch_spacing);
y_pos_flat = margin + (r * switch_spacing);
y_pos = plate_start_y + (y_pos_flat * cos(case_angle));
translate([x_pos, y_pos, 0])
cylinder(d = pillar_dia, h = back_height + 10, $fn = 32);
}
}
}
translate([0, plate_start_y, front_height - recess_depth])
rotate([case_angle, 0, 0])
translate([-50, 0, -500])
cube([case_w + 100, plate_h, 500]);
}
}
module case_full_geometry() {
clip_z_offset = plate_thickness + plate_slack;
recess_w = plate_w + (plate_slack * 2);
recess_h = plate_h + (plate_slack * 2);
union() {
difference() {
// Shell
polyhedron(
points=[
[0,0,0], [case_w,0,0], [case_w,case_h,0], [0,case_h,0],
[0,0,front_height + rim_extra_height], [case_w,0,front_height + rim_extra_height],
[0,case_h,back_height + rim_extra_height], [case_w,case_h,back_height + rim_extra_height]
],
faces=[[0,1,2,3], [4,5,1,0], [7,6,3,2], [5,7,2,1], [6,4,0,3], [4,6,7,5]]
);
// Internal Tub
translate([wall_thickness, wall_thickness, floor_thickness])
cube([case_w - (wall_thickness * 2), case_h - (wall_thickness * 2), back_height + 20]);
// Plate Recess
translate([(case_w - recess_w)/2, (case_h - (recess_h * cos(case_angle)))/2, front_height - recess_depth])
rotate([case_angle, 0, 0])
cube([recess_w, recess_h, 20]);
}
support_pillars();
// Clips (Reduced number for smaller case)
for (i = [0:2]) {
z_front = (front_height - recess_depth) + clip_z_offset;
translate([wall_thickness + (case_w - wall_thickness*2)/4 * (i+1) - clip_width/2, wall_thickness - clip_depth, z_front])
angled_clip();
y_back_wall = case_h - wall_thickness;
z_back_shelf = (front_height - recess_depth) + (tan(case_angle) * (y_back_wall - wall_thickness));
z_back_clip = z_back_shelf + clip_z_offset;
translate([wall_thickness + (case_w - wall_thickness*2)/4 * (i+1) - clip_width/2, y_back_wall - clip_depth * 0.5, z_back_clip])
angled_clip();
}
}
}
// --- Final Render (Single Part) ---
difference() {
case_full_geometry();
usb_cutout();
}
controller_holder();

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#!/bin/bash
labels=(
"1" "2" "3" "4" "5" "6" "7" "8" "9" "Num" "/" "*" "-" "." "Esc" "F1" "F2" "F3"
)
labels2=(
"0"
)
labels3=(
"+" "Ent"
)
mkdir -p keycaps_numpad_stl
echo "Starting STL generation..."
for label in "${labels[@]}"; do
echo "Generating: $label.stl"
openscad \
-o "keycaps_numpad_stl/$label.stl" \
-D "legend_char=\"$label\"" \
-D "legend_size=5" \
./xda_keycap.scad
done
for label in "${labels2[@]}"; do
echo "Generating: $label.stl"
openscad \
-o "keycaps_numpad_stl/$label.stl" \
-D "legend_char=\"$label\"" \
-D "legend_size=5" \
-D "u_count_x=2" \
./xda_keycap.scad
done
for label in "${labels3[@]}"; do
echo "Generating: $label.stl"
openscad \
-o "keycaps_numpad_stl/$label.stl" \
-D "legend_char=\"$label\"" \
-D "legend_size=5" \
-D "u_count_y=2" \
./xda_keycap.scad
done
echo "Done! Check the 'keycaps_numpad_stl' folder."

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// --- Parameters ---
$fn = 512;
// Key Dimensions
u_count_x = 1;
u_count_y = 1;
u_pitch = 19.05;
width_base_1u = 18.2;
width_top_1u = 14.5;
height = 9.0;
corner_radius = 2.5;
// Engraving Settings
legend_char = "A";
legend_depth = 0.5;
legend_size = 5;
// Calculated Dimensions
is_2u = (u_count_x >= 2 || u_count_y >= 2);
w_base = width_base_1u + (u_count_x - 1) * u_pitch;
h_base = width_base_1u + (u_count_y - 1) * u_pitch;
w_top = width_top_1u + (u_count_x - 1) * u_pitch;
h_top = width_top_1u + (u_count_y - 1) * u_pitch;
// Dish (Only for 1u)
dish_depth = 1;
dish_radius = 45;
// Stem & Stabilizer Dimensions
stem_h = 5.0;
stem_outer_d = 5.5;
cross_l = 4.1;
cross_w1 = 1.25;
cross_w2 = 1.15;
stab_dist = 23.85;
// Supports
support_depth = 5;
// --- Modules ---
module rounded_rectangle(w, h, z, r) {
hull() {
translate([r, r, 0]) cylinder(r=r, h=z);
translate([w - r, r, 0]) cylinder(r=r, h=z);
translate([r, h - r, 0]) cylinder(r=r, h=z);
translate([w - r, h - r, 0]) cylinder(r=r, h=z);
}
}
module xda_body() {
difference() {
hull() {
rounded_rectangle(w_base, h_base, 0.1, corner_radius);
translate([(w_base - w_top)/2, (h_base - h_top)/2, height - 0.1])
rounded_rectangle(w_top, h_top, 0.1, corner_radius);
}
if (!is_2u) {
translate([w_base/2, h_base/2, height + dish_radius - dish_depth])
sphere(r=dish_radius);
}
translate([0,0,-0.5])
hull() {
translate([1.5, 1.5, 0])
rounded_rectangle(w_base - 3, h_base - 3, 0.1, corner_radius/2);
translate([(w_base - w_top)/2 + 1.5, (h_base - h_top)/2 + 1.5, height - 2.5])
rounded_rectangle(w_top - 3, h_top - 3, 0.1, corner_radius/2);
}
}
}
module single_stem(pos_x, pos_y) {
translate([pos_x, pos_y, 0]) {
intersection() {
cylinder(d=stem_outer_d, h=height - (is_2u ? 1.0 : dish_depth) - 0.5);
difference() {
cylinder(d=stem_outer_d, h=height);
translate([0, 0, -0.1]) {
cube([cross_l, cross_w1, stem_h * 2], center=true);
cube([cross_w2, cross_l, stem_h * 2], center=true);
}
}
}
}
}
module all_stems() {
center_x = w_base / 2;
center_y = h_base / 2;
single_stem(center_x, center_y);
if (u_count_x >= 2) {
single_stem(center_x - stab_dist/2, center_y);
single_stem(center_x + stab_dist/2, center_y);
}
if (u_count_y >= 2) {
single_stem(center_x, center_y - stab_dist/2);
single_stem(center_x, center_y + stab_dist/2);
}
}
module side_engraving() {
// Calculate angle based on 1u profile so text sits flush on the slope
side_angle = atan((width_base_1u - width_top_1u) / (2 * height));
// Offset slightly from the bottom edge
y_offset = (width_base_1u - width_top_1u) / 4;
translate([w_base/2, y_offset, height/2])
rotate([90 - side_angle, 0, 0])
translate([0, 0, -legend_depth + 0.1])
linear_extrude(height = legend_depth + 0.5) {
text(legend_char, size = legend_size,
halign = "center", valign = "center",
font = "Overpass:style=Bold");
}
}
module support_rib() {
rib_thickness = 1.2;
wall_offset = 1.5;
stem_radius = stem_outer_d / 2;
// Inner wall starts at (width_base_1u/2 - wall_offset)
rib_length = (width_base_1u / 2) - wall_offset - stem_radius - 0.1;
translate([width_base_1u/2, width_base_1u/2, 0]) {
translate([stem_radius- 0.1, -rib_thickness/2, support_depth])
cube([rib_length, rib_thickness, height - dish_depth - support_depth]);
}
}
module supports() {
union() {
support_rib();
rotate([0, 0, 180])
translate([-width_base_1u, -width_base_1u, 0])
support_rib();
rotate([0, 0, 90])
translate([0, -width_base_1u, 0])
support_rib();
rotate([0, 0, 270])
translate([-width_base_1u, 0, 0])
support_rib();
}
}
// Final Assembly
difference() {
union() {
xda_body();
all_stems();
// Ribs only for 1u
if (!is_2u) {
supports();
}
}
side_engraving();
}