feat(skills): OpenSCAD-Skill hinzufuegen

2026-07-15 14:30:52 +02:00
parent 316b779b06
commit c6bbebea04
16 changed files with 4271 additions and 0 deletions
@@ -0,0 +1,119 @@
+// ============================================
+// Template: Parametric Electronics Enclosure
+// Description: Box with lid, screw posts, ventilation
+// ============================================
+
+// --- Parameters ---
+width = 80;          // [mm] inner width (X)
+depth = 60;          // [mm] inner depth (Y)
+height = 35;         // [mm] inner height (Z)
+wall = 2.5;          // [mm] wall thickness
+corner_r = 3;        // [mm] corner radius
+lid_height = 8;      // [mm] lid inner height
+lip = 1.5;           // [mm] lid overlap lip
+tolerance = 0.3;     // [mm] fit tolerance
+
+// Screw posts
+screw_d = 3;         // [mm] screw hole diameter
+post_d = 7;          // [mm] post outer diameter
+post_inset = 5;      // [mm] post inset from inner wall
+
+// Ventilation
+vent_slots = 5;      // number of vent slots
+vent_width = 2;      // [mm] slot width
+vent_length = 20;    // [mm] slot length
+
+// --- Quality ---
+$fn = 64;
+eps = 0.01;  // epsilon for clean booleans
+
+// --- Assertions ---
+assert(wall >= 1.2, "wall too thin for FDM (min 1.2mm)");
+assert(width > 2 * wall, "inner width must be positive");
+assert(depth > 2 * wall, "inner depth must be positive");
+assert(height > wall, "inner height must be positive");
+
+// --- Render ---
+// Show both parts side by side
+box_bottom();
+translate([width + wall * 2 + 10, 0, 0]) box_lid();
+
+// --- Modules ---
+module box_bottom() {
+    difference() {
+        // Outer shell
+        rounded_box([width + 2*wall, depth + 2*wall, height + wall], corner_r);
+
+        // Inner cavity
+        translate([wall, wall, wall])
+            rounded_box([width, depth, height + wall + 1], max(corner_r - wall, 0.5));
+
+        // Ventilation slots on one side
+        translate([wall + (width - (vent_slots * (vent_width + 3))) / 2, -1, height/2])
+            for (i = [0:vent_slots-1])
+                translate([i * (vent_width + 3), 0, 0])
+                    cube([vent_width, wall + 2, vent_length]);
+    }
+
+    // Screw posts
+    for (pos = screw_post_positions())
+        translate([pos.x, pos.y, wall])
+            screw_post(post_d, screw_d, height - 2);
+
+    // Lid lip (inner ridge)
+    difference() {
+        translate([wall - lip, wall - lip, height + wall - lip])
+            rounded_box([width + 2*lip, depth + 2*lip, lip], max(corner_r - wall + lip, 0.5));
+        translate([wall, wall, height + wall - lip - 0.01])
+            rounded_box([width, depth, lip + 0.02], max(corner_r - wall, 0.5));
+    }
+}
+
+module box_lid() {
+    difference() {
+        // Outer lid
+        rounded_box([width + 2*wall, depth + 2*wall, lid_height + wall], corner_r);
+
+        // Inner cavity
+        translate([wall, wall, -0.01])
+            rounded_box([width, depth, lid_height + 0.02], max(corner_r - wall, 0.5));
+    }
+
+    // Lip insert (fits inside bottom lip)
+    translate([wall + tolerance, wall + tolerance, 0])
+        difference() {
+            rounded_box(
+                [width - 2*tolerance, depth - 2*tolerance, lip],
+                max(corner_r - wall - tolerance, 0.5)
+            );
+            translate([lip, lip, -0.01])
+                rounded_box(
+                    [width - 2*lip - 2*tolerance, depth - 2*lip - 2*tolerance, lip + 0.02],
+                    max(corner_r - wall - lip - tolerance, 0.5)
+                );
+        }
+}
+
+module rounded_box(size, r) {
+    hull() {
+        for (x = [r, size.x - r])
+            for (y = [r, size.y - r])
+                translate([x, y, 0])
+                    cylinder(r=r, h=size.z);
+    }
+}
+
+module screw_post(outer_d, inner_d, h) {
+    difference() {
+        cylinder(d=outer_d, h=h);
+        translate([0, 0, -0.01])
+            cylinder(d=inner_d, h=h + 0.02);
+    }
+}
+
+function screw_post_positions() = [
+    [wall + post_inset, wall + post_inset, 0],
+    [wall + width - post_inset, wall + post_inset, 0],
+    [wall + post_inset, wall + depth - post_inset, 0],
+    [wall + width - post_inset, wall + depth - post_inset, 0]
+];