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clean up

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John Poole 2026-03-18 22:05:03 -07:00
commit 01113d31e5
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openscad/stress_test_models.scad~
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#!/usr/bin/openscad -o /tmp/ignore.stl
//
// stress_test_models.scad
// 20260317 ChatGPT
// $Id$
// $HeadURL$
//
// Example command lines:
//
// openscad -D 'model="cube"' -o cube_20260317_1335.stl stress_test_models.scad
// openscad -D 'model="ybar"' -o ybar_20260317_1335.stl stress_test_models.scad
// openscad -D 'model="tower"' -o tower_20260317_1335.stl stress_test_models.scad
// openscad -D 'model="all"' -o all_20260317_1335.stl stress_test_models.scad
//
// Suggested slicer use:
//
// 1) Print each model as a SEPARATE run.
// 2) For ybar, orient the LONG dimension along the printer's Y axis
// so the bed moves the long way front-to-back.
// 3) Infill is set in Orca Slicer, not here.
//
// Suggested slicer settings:
//
// cube: 0.20 layer, 3 perimeters, 20-25% grid or gyroid
// ybar: 0.20 layer, 3 perimeters, 15-25% grid
// tower: 0.20 layer, 3 perimeters, 0-10% infill, no brim at first;
// add brim only if adhesion becomes the issue rather than motion
//
/* [General] */
model = "all"; // [cube,ybar,tower,all]
center_models = false; // true / false
add_labels = true; // true / false
/* [Cube Dimensions] */
cube_x = 40;
cube_y = 40;
cube_z = 40;
/* [Y Bar Dimensions] */
ybar_x = 20;
ybar_y = 150;
ybar_z = 50;
/* [Tower Dimensions] */
tower_x = 18;
tower_y = 18;
tower_z = 120;
/* [Edge Treatment] */
corner_radius = 1.2; // 0 for sharp corners
$fn = 48;
/* [Labeling] */
label_depth = 0.6;
label_size = 7;
label_font = "Liberation Sans:style=Bold";
/* [Layout For model="all"] */
gap_between_models = 20;
// --------------------------------------------------
// Main
// --------------------------------------------------
if (model == "cube") {
make_cube();
}
else if (model == "ybar") {
make_ybar();
}
else if (model == "tower") {
make_tower();
}
else if (model == "all") {
make_all();
}
else {
echo("ERROR: model must be one of: cube, ybar, tower, all");
}
// --------------------------------------------------
// Assemblies
// --------------------------------------------------
module make_all() {
x0 = 0;
x1 = x0 + cube_x + gap_between_models;
x2 = x1 + ybar_x + gap_between_models;
translate([x0, 0, 0]) make_cube();
translate([x1, 0, 0]) make_ybar();
translate([x2, 0, 0]) make_tower();
}
module make_cube() {
difference() {
rounded_box(cube_x, cube_y, cube_z, corner_radius, center_models);
if (add_labels)
place_top_label("CUBE", cube_x, cube_y, cube_z, center_models);
}
}
module make_ybar() {
difference() {
rounded_box(ybar_x, ybar_y, ybar_z, corner_radius, center_models);
if (add_labels)
place_top_label("YBAR", ybar_x, ybar_y, ybar_z, center_models);
}
}
module make_tower() {
difference() {
rounded_box(tower_x, tower_y, tower_z, corner_radius, center_models);
if (add_labels)
place_top_label("TOWER", tower_x, tower_y, tower_z, center_models);
}
}
// --------------------------------------------------
// Geometry helpers
// --------------------------------------------------
module rounded_box(x, y, z, r=0, center_it=false) {
if (r <= 0) {
cube([x, y, z], center=center_it);
} else {
if (center_it) {
translate([-x/2, -y/2, -z/2])
rounded_box_uncentered(x, y, z, r);
} else {
rounded_box_uncentered(x, y, z, r);
}
}
}
module rounded_box_uncentered(x, y, z, r) {
linear_extrude(height=z)
offset(r=r)
offset(delta=-r)
square([x, y], center=false);
}
module place_top_label(txt, x, y, z, center_it=false) {
tx = center_it ? 0 : x/2;
ty = center_it ? 0 : y/2;
tz = center_it ? z/2 : z;
translate([tx, ty, tz - label_depth])
linear_extrude(height=label_depth + 0.02)
text(
txt,
size=label_size,
font=label_font,
halign="center",
valign="center"
);
}