Initial infrastructure documentation - comprehensive homelab reference

Printing/Key caps/Body5_scaled_FIXED.scad

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+// =====================================================
+// 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 = 5.5;   // Diameter of circular stem preservation region
+stem_height = 8.0;     // Height of stem region to preserve
+$fn = 128;             // Circle smoothness
+
+stl_filename = "Body5.stl";
+
+// =====================================================
+// MAIN MODEL - CENTERED APPROACH
+// =====================================================
+
+// First, we need to center the imported model
+// The original STL is positioned around x≈209, y≈220
+// We'll measure the bounding box and center it
+
+module centered_import() {
+    // Import and center the model at origin
+    translate([-209, -223.5, -4.9])  // Approximate center based on STL coordinates
+        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 (now centered at origin)
+        cylinder(h = stem_height, d = stem_diameter + 0.5, center = true);
+    }
+
+    // Part 2: Original unscaled stem region (circular)
+    intersection() {
+        centered_import();
+
+        // Cylinder defines the circular stem region to keep
+        cylinder(h = stem_height, d = stem_diameter, center = true);
+    }
+}