Initial infrastructure documentation - comprehensive homelab reference

Printing/Nameplates/zipper_pull_template.scad

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+// Two-Layer Oval Zipper Pull Template with Engraved Text
+// Creates a white base oval with a blue top oval, engraved text, and a hole for zipper attachment
+
+// Parameters - these can be overridden from command line
+name = "NAME"; // Text to display on zipper pull
+oval_width = 96; // Width of blue oval (mm) - white base will be 100mm total (96 + 2*2)
+oval_height = 30; // Height of blue oval (mm) - white base will be 34mm total (30 + 2*2)
+base_thickness = 1.5; // Thickness of white base layer (mm)
+top_thickness = 1; // Thickness of blue top layer (mm)
+base_offset = 2; // How much larger the white base is (mm)
+base_text_size = 13; // Base font size for medium names (reduced to prevent interference with hole)
+text_depth = 1; // How deep the text is engraved (mm) - cuts through blue to show white
+font_file = "C:/Users/Fred/claude/Fordscript.ttf"; // Path to the custom font file
+
+// Dynamic font sizing based on name length (mimics Ford oval proportions)
+// "Fred" (4 chars) at 13mm gives ~20% coverage - our target
+name_length = len(name);
+text_size = name_length <= 3 ? 18 :      // Short names (Zoe, Sam, Al) - larger
+            name_length <= 5 ? 13 :      // Medium names (Fred, John, Mary) - standard
+            name_length <= 8 ? 11 :      // Longer names (Michael, Jessica) - smaller
+            9;                           // Very long names (Christopher) - smallest
+
+// Hole parameters for zipper pull
+hole_diameter = 4; // Diameter of the hole (mm)
+hole_clearance = 1; // Minimum clearance from edge of white base layer (mm)
+
+// Module to create an oval (ellipse)
+module oval(width, height, depth) {
+    scale([width/2, height/2, 1])
+        cylinder(h=depth, r=1, $fn=100);
+}
+
+// White base layer (larger oval) with hole
+module base_layer() {
+    color("white")
+    difference() {
+        oval(
+            oval_width + base_offset*2,
+            oval_height + base_offset*2,
+            base_thickness
+        );
+
+        // Hole for zipper pull - positioned relative to white base edge
+        // Calculate from white base width: (oval_width + base_offset*2)
+        white_width = oval_width + base_offset*2;
+        hole_x = -(white_width/2) + (hole_diameter/2) + hole_clearance;
+        translate([hole_x, 0, -0.05])
+            cylinder(h=base_thickness + 0.1, d=hole_diameter, $fn=50);
+    }
+}
+
+// Blue top layer with engraved text and hole
+module top_layer() {
+    color("RoyalBlue")
+    difference() {
+        // Blue oval
+        translate([0, 0, base_thickness])
+            oval(oval_width, oval_height, top_thickness);
+
+        // Engraved text (cuts into the blue layer)
+        // Multiple offset renders create a "fake bold" effect
+        for (x = [-0.3, 0, 0.3]) {
+            for (y = [-0.3, 0, 0.3]) {
+                translate([x, y, base_thickness + top_thickness - text_depth + 0.01])
+                    linear_extrude(height=text_depth)
+                        text(name,
+                             size=text_size,
+                             font="Fordscript",
+                             halign="center",
+                             valign="center");
+            }
+        }
+
+        // Hole for zipper pull (positioned on left side)
+        // Position: matches white base layer hole position
+        white_width = oval_width + base_offset*2;
+        hole_x = -(white_width/2) + (hole_diameter/2) + hole_clearance;
+        translate([hole_x, 0, base_thickness])
+            cylinder(h=top_thickness + 0.1, d=hole_diameter, $fn=50);
+    }
+}
+
+// Main zipper pull assembly
+module zipper_pull() {
+    base_layer();
+    top_layer();
+}
+
+// Generate the zipper pull
+zipper_pull();