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Fixed labels which previously went off edges of bar and tower.

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This commit is contained in:
John Poole 2026-03-18 22:04:17 -07:00
commit 85ee00dc19
2 changed files with 299 additions and 3 deletions
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42
openscad/stress_test_models.scad
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@ -147,8 +147,48 @@ module rounded_box_uncentered(x, y, z, r) {
square([x, y], center=false);
}
module place_top_label(txt, x, y, z, center_it=false) {
// --- parameters ---
margin = 2; // mm clearance from edges
// usable space
usable_x = x - margin;
usable_y = y - margin;
// choose orientation: run along long axis
rotate_text = (y > x);
// limiting width after orientation
limit = rotate_text ? usable_y : usable_x;
// crude text width estimate factor (~0.6 * size * chars)
est_char_width = 1.0;
est_len = len(txt) * est_char_width;
// compute size that fits
auto_size = limit / est_len;
// clamp to your preferred max size
final_size = min(label_size, auto_size);
// placement
tx = center_it ? 0 : x/2;
ty = center_it ? 0 : y/2;
tz = center_it ? z/2 : z;
translate([tx, ty, tz - label_depth])
rotate([0, 0, rotate_text ? 90 : 0])
linear_extrude(height=label_depth + 0.02)
text(
txt,
size=final_size,
font=label_font,
halign="center",
valign="center"
);
}
module place_top_labelOLD(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;