Design enclosure faceplate

openscad/enclosure.scad

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+$fn=50;
+
+include <BOSL/constants.scad>
+use <BOSL/math.scad>
+use <BOSL/transforms.scad>
+
+depth = 1;
+faceplate_angle = 20;
+
+keys = 4;               // Number of key switches
+key_width = 20;         // With of a square keycap
+key_gap = 2;            // Expands the key cutout in each direction
+key_distance = 5;       // Spacing between keys
+dial_diameter = 20;     // Diameter of the dial, used for spacing
+dial_post_diameter = 7; // Diameter of the post passing through the faceplate
+dial_gap = 2;           // Expands the dial cutout in each direction
+dial_distance = 20;     // Space between the dial and the keypad
+
+faceplate_margin = 20;
+
+key_cutout_width = key_width + (key_gap * 2);
+keys_width = (key_cutout_width * keys) + (key_distance * (keys - 1));
+faceplate_width = sum([faceplate_margin,
+                       dial_diameter,
+                       dial_distance,
+                       keys_width,
+                       faceplate_margin]);
+faceplate_interfaceplate_height = max(key_width, dial_diameter);
+faceplate_height = faceplate_interfaceplate_height + (faceplate_margin * 2);
+
+module faceplate() {
+
+  difference() {
+    cube([faceplate_width, faceplate_height, depth]);
+
+    translate([faceplate_margin, faceplate_margin, -1]) {
+      translate([dial_diameter / 2,
+                 dial_diameter / 2,
+                 0]) {
+        cylinder(d=dial_post_diameter + dial_gap, h=depth + 2);
+      }
+      translate([dial_diameter + dial_distance, 0]) {
+        xspread(spacing=key_cutout_width + key_distance, n=keys, sp=[0,0,0]) {
+          cube([key_cutout_width, key_cutout_width, depth + 2]);
+        }
+      }
+    }
+  }
+}
+
+rotate([90 - faceplate_angle,0,0])
+faceplate();