Initial infrastructure documentation - comprehensive homelab reference

Printing/Key caps/Body5(1)_scaled.scad

@@ -0,0 +1,55 @@
+// =====================================================
+// Keycap Body Scaling Script - FIXED VERSION
+// =====================================================
+// This script scales down the keycap body while preserving
+// the Cherry MX stem at its original 4mm x 4mm dimensions
+//
+// FIX: Centers the model first so cylinder operations work correctly
+// =====================================================
+
+// ----- ADJUSTABLE PARAMETERS -----
+
+body_scale_xy = 0.98;  // 98% of original (2% smaller)
+body_scale_z = 1.00;   // Keep height at 100%
+
+stem_diameter = 4.8;   // Diameter of circular stem preservation region (4.8mm to preserve 4mm x 4mm cross)
+stem_height = 10.0;    // Height of stem region to preserve (tall enough to capture entire stem)
+stem_z_offset = -1.0;  // Z offset to position cylinder on the stem
+$fn = 128;             // Circle smoothness
+
+stl_filename = "Body5(1).stl";
+
+// =====================================================
+// MAIN MODEL - CENTERED APPROACH
+// =====================================================
+
+// Center the imported model at origin
+// The stem cross should be centered at X=209, Y=223.5 in the original STL
+module centered_import() {
+    translate([-209, -223.5, 0])  // Center X and Y on the stem
+        import(stl_filename);
+}
+
+union() {
+    // Part 1: Scaled body WITHOUT the circular stem region
+    difference() {
+        scale([body_scale_xy, body_scale_xy, body_scale_z]) {
+            centered_import();
+        }
+
+        // Cut out a cylinder where the stem is
+        translate([0, 0, stem_z_offset]) {
+            cylinder(h = stem_height, d = stem_diameter + 0.5, center = true);
+        }
+    }
+
+    // Part 2: Original UNSCALED stem region (circular)
+    intersection() {
+        centered_import();  // NOT scaled - preserves original 4mm x 4mm cross
+
+        // Cylinder defines the 4.8mm circular stem region to keep at 100% scale
+        translate([0, 0, stem_z_offset]) {
+            cylinder(h = stem_height, d = stem_diameter, center = true);
+        }
+    }
+}