Add basic implementation for Sonoff DEV housing

sonoff_dev_housing.jscad

@@ -0,0 +1,96 @@
+// title      : Sonoff DEV box for lamp post
+// author     : Knut Ahlers
+// license    : MIT License
+// revision   : 0.003
+// file       : sonoff_dev_lamp.jscad
+
+// All measurements in mm
+const innerSpace = 15 // free room on the inside from the board not to bend the cables that hard
+const innerSpaceHeight = 30
+const boardSize = 50 // 50x50mm
+const boardSupportHeight = 10 // 10mm pins to put the board on
+const boardSupportRadius = 1 // 2mm (holes do have 3mm)
+const boardSupportEdgeDist = 2.5 // 2.5mm from the edges
+const lampPostRadius = 7.5 // 15mm diameter
+const lampPostSupport = lampPostRadius + 4.5 // adjust for proper grip
+const wall = 2.5 // wall thickness
+
+function main() {
+  return [
+    union(
+      // Housing with holder
+      difference(
+        union(
+          // Main housing block
+          cube({ size: [
+            boardSize + innerSpace + wall,
+            boardSize + innerSpace + wall,
+            innerSpaceHeight + wall,
+          ], center: true }),
+          // Lamp post holder
+          difference(
+            cylinder({
+              h: boardSize + innerSpace + wall,
+              r: lampPostSupport,
+              center: true,
+              resolution: 100,
+            }),
+            cylinder({
+              h: boardSize + innerSpace + wall,
+              r: lampPostRadius,
+              center: true,
+              resolution: 100,
+            }).translate([-7.5, 0, 0])
+          )
+          .rotateY(90)
+          .translate([0, 0, (innerSpaceHeight + wall)/2])
+        ),
+        // Inner housing
+        cube({ size: [
+          boardSize + innerSpace,
+          boardSize + innerSpace,
+          innerSpaceHeight,
+        ], center: true }).translate([0, 0, wall * -1])
+      ),
+      // Board supports
+      cylinder({
+        h: boardSupportHeight + wall,
+        r: boardSupportRadius,
+        center: true,
+      }).translate([
+        boardSize / 2 - boardSupportEdgeDist,
+        boardSize / 2 - boardSupportEdgeDist,
+        (innerSpaceHeight + wall) / 2 - (boardSupportHeight + wall) / 2,
+      ]),
+      cylinder({
+        h: boardSupportHeight + wall,
+        r: boardSupportRadius,
+        center: true,
+      }).translate([
+        (boardSize / 2 - boardSupportEdgeDist) * -1,
+        boardSize / 2 - boardSupportEdgeDist,
+        (innerSpaceHeight + wall) / 2 - (boardSupportHeight + wall) / 2,
+      ]),
+      cylinder({
+        h: boardSupportHeight + wall,
+        r: boardSupportRadius,
+        center: true,
+      }).translate([
+        boardSize / 2 - boardSupportEdgeDist,
+        (boardSize / 2 - boardSupportEdgeDist) * -1,
+        (innerSpaceHeight + wall) / 2 - (boardSupportHeight + wall) / 2,
+      ]),
+      cylinder({
+        h: boardSupportHeight + wall,
+        r: boardSupportRadius,
+        center: true,
+      }).translate([
+        (boardSize / 2 - boardSupportEdgeDist) * -1,
+        (boardSize / 2 - boardSupportEdgeDist) * -1,
+        (innerSpaceHeight + wall) / 2 - (boardSupportHeight + wall) / 2,
+      ])
+    ).translate([0, 0, (innerSpaceHeight + wall)/2])
+  ]
+}
+
+// vim: set ft=javascript: