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out/

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generate_all.sh Executable file
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# /bin/sh
rm -rf out/
mkdir out
cd src/
for i in *.scad; do openscad -o "../out/${i%.*}.stl" "$i"; done
cd ../

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// Copyright 2025 Natalie Baker // Apache v2 //
base_size = 32;
wall_width = 9;
magnet_dia = 6.2;
magnet_height = 2.8;
lock_height = 1.9;
lock_depth = 4.9;
lock_width = 11;
lock_hole_dia = 2.25;
grid_size = base_size + 2*wall_width;
grid_diag = sqrt(2*grid_size*grid_size);
grid_height = max(lock_height, magnet_height)+1.2;
frame_size = 2.4;
module repeat(size, x, y, z, center) {
off = center
? [(x-1)*size[0],(y-1)*size[1],(z-1)*size[2]]/2
: [0,0,0];
for(i = [0 : x-1])
for(j = [0 : y-1])
for(k = [0 : z-1])
translate([
size[0]*i-off[0],
size[1]*j-off[1],
size[2]*k-off[2]
]) children();
}

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// Copyright 2025 Natalie Baker // Apache v2 //
include<girl_common.scad>;
use<girl_lock.scad>;
grid_grid_map([[1]]);
module grid_grid_map(m) {
for(y = [0:len(m)-1]) {
for(x = [0:len(m[y])-1]) {
translate([x*grid_size, y*grid_size])
if (m[y][x]) {
tile_px = m[y][x+1] == 1;
tile_nx = m[y][x-1] == 1;
tile_py = m[y+1][x] == 1;
tile_ny = m[y-1][x] == 1;
air_px = m[y][x+1] != 1;
air_nx = m[y][x-1] != 1;
air_py = m[y+1][x] != 1;
air_ny = m[y-1][x] != 1;
air_pxpy = m[y+1][x+1] != 1;
air_pxny = m[y-1][x+1] != 1;
air_nxpy = m[y+1][x-1] != 1;
air_nxny = m[y-1][x-1] != 1;
girl_grid_section(air_px, air_py, air_nx, air_ny);
linear_extrude(grid_height)
union() {
if (tile_px && air_pxpy) {
translate([grid_size/2, (grid_size-lock_depth)/2])
square([lock_depth*2, lock_depth], center=true);
}
if (tile_px && air_pxny) {
translate([grid_size/2, -(grid_size-lock_depth)/2])
square([lock_depth*2, lock_depth], center=true);
}
// -- //
if (tile_nx && air_nxpy) {
translate([-grid_size/2, (grid_size-lock_depth)/2])
square([lock_depth*2, lock_depth], center=true);
}
if (tile_nx && air_nxny) {
translate([-grid_size/2, -(grid_size-lock_depth)/2])
square([lock_depth*2, lock_depth], center=true);
}
// -- //
if (tile_py && air_pxpy) {
translate([(grid_size-lock_depth)/2, grid_size/2])
square([lock_depth, lock_depth*2], center=true);
}
if (tile_py && air_nxpy) {
translate([-(grid_size-lock_depth)/2, grid_size/2])
square([lock_depth, lock_depth*2], center=true);
}
// -- //
if (tile_ny && air_pxny) {
translate([(grid_size-lock_depth)/2, -grid_size/2])
square([lock_depth, lock_depth*2], center=true);
}
if (tile_ny && air_nxny) {
translate([-(grid_size-lock_depth)/2, -grid_size/2])
square([lock_depth, lock_depth*2], center=true);
}
}
}
}
}
}
module girl_grid_section(x_p, y_p, x_n, y_n) {
$fn=24;
intersection() {
union() {
_girl_grid_single();
if (x_p)
rotate(270)
translate([0,grid_size/2])
_girl_grid_slots();
if (x_n)
rotate(90)
translate([0,grid_size/2])
_girl_grid_slots();
if (y_p)
translate([0,grid_size/2,0])
_girl_grid_slots();
if (y_n)
rotate(180)
translate([0,grid_size/2,0])
_girl_grid_slots();
}
linear_extrude(grid_height+100)
offset( lock_depth/2)
offset(-lock_depth/2)
square([grid_size,grid_size],center=true);
}
}
module _girl_grid_slots() {
difference() {
translate([-grid_size/2,-lock_depth,0])
cube([grid_size,lock_depth,grid_height]);
translate([-grid_size/4,0,grid_height/2])
girl_slot();
translate([grid_size/4,0,grid_height/2])
girl_slot();
}
}
module _girl_grid_single() {
union() {
render()
difference() {
linear_extrude(grid_height)
intersection() {
repeat([grid_diag/2,grid_diag/2,1], 2, 2, 1, true)
_girl_grid_lattice(grid_diag/2, frame_size, 6.0);
square(grid_size, center=true);
}
_girl_grid_magnet_hole();
_girl_grid_key(frame_size/3*2, 0.2);
}
translate([0,0,grid_height])
_girl_grid_key(frame_size/3*2);
}
}
module _girl_grid_magnet_hole(tolerance=0.15) {
mad_d = magnet_dia+2*tolerance;
mag_h = magnet_height+2*tolerance;
translate([0,0,-tolerance])
cylinder(d=4, h=grid_height-magnet_height+2*tolerance);
translate([0,0,grid_height-magnet_height])
cylinder(d=mad_d, h=mag_h);
}
module _girl_grid_lattice(size, wall, radius) {
intersection() {
offset(-radius)
offset( radius)
union() {
difference() {
square(size*26, center=true);
square(size-wall, center=true);
}
}
square(size, center=true);
}
}
module _girl_grid_key(wall, tolerance=0) {
translate([0,-grid_size/4,0])
rotate([0,0,90])
_girl_grid_key_single(wall, tolerance);
translate([0,grid_size/4,0])
rotate([0,0,90])
_girl_grid_key_single(wall, tolerance);
translate([-grid_size/4,0,0])
_girl_grid_key_single(wall, tolerance);
translate([grid_size/4,0,0])
_girl_grid_key_single(wall, tolerance);
}
module _girl_grid_key_single(wall, tolerance=0) {
rotate([90,0,0])
translate([0,0,-wall/2-tolerance])
linear_extrude(wall+2*tolerance)
offset(tolerance)
polygon([
[ 0.00,-0.25],
[ 3.00,-0.25],
[ 2.00, 1.00],
[ 0.00, 1.50],
[-2.00, 1.00],
[-3.00,-0.25]
]);
}

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// Copyright 2025 Natalie Baker // Apache v2 //
include<girl_common.scad>;
girl_lock();
//color("blue")
//translate([0,0,-1])
//girl_slot();
module girl_lock() {
$fn=12;
linear_extrude(lock_height, center=true)
mirror_copy([0,1])
mirror_copy([1,0])
_girl_lock_part();
}
module girl_slot() {
$fn=12;
linear_extrude(lock_height+0.4, center=true)
mirror_copy([0,1])
mirror_copy([1,0])
_girl_slot_part();
}
module _girl_slot_part() {
polygon([
[ 0, 0.00],
[lock_width/2+0.30, 0.00],
[lock_width/2+0.30, 2.20],
[lock_width/2-0.45, 2.20],
[lock_width/2-0.75, 2.80],
[lock_width/2-0.55, lock_depth],
[lock_width/2+0.50, lock_depth],
[lock_width/2+0.50, 8.25],
[lock_width/2-5.00, 8.25],
[lock_width/2-4.70, 2.75],
[lock_width/2-5.00, 2.30],
[ 0, 2.30],
]);
}
module _girl_lock_part() {
difference() {
polygon([
[ 0, 0.00],
[lock_width/2, 0.00],
[lock_width/2, 2.00],
[lock_width/2-0.95, 2.00],
[lock_width/2-0.60, lock_depth+0.1],
[lock_width/2, lock_depth+0.1],
[lock_width/2-0.30, 6.20],
[lock_width/2-2.15, 7.65],
[lock_width/2-2.60, 7.90],
[lock_width/2-3.00, 8.00],
[lock_width/2-3.40, 7.90],
[lock_width/2-3.60, 7.70],
[lock_width/2-3.70, 7.45],
[lock_width/2-3.25, 2.00],
[ 0, 2.00],
]);
polygon([
[lock_width/2-2.10, 1.00],
[lock_width/2-1.60, 5.50],
[lock_width/2-2.50, 6.50],
[lock_width/2-2.20, 1.00],
]);
}
}
module mirror_copy(m) {
mirror(m) children();
children();
}

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// Copyright 2025 Natalie Baker // Apache v2 //
use<girl/girl_grid.scad>;
grid_grid_map([[1]]);

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// Copyright 2025 Natalie Baker // Apache v2 //
use<girl/girl_grid.scad>;
grid_grid_map([
[1,1,1],
[1,1,1],
[1,1,1],
]);

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// Copyright 2025 Natalie Baker // Apache v2 //
use<girl/girl_lock.scad>;
girl_lock();