Cutting Jig

models/cutting-jig.js

@@ -0,0 +1,62 @@
+/** @import * as Replicad from 'replicad' */
+
+export const defaultParams = {
+  gridUnitInMm: 40,
+  cutterKerfInMm: 2.5,
+  holeDiameterInMm: 8,
+  headDiameterInMm: 12.75,
+  headHeightInMm: 3,
+  headCornerRadiusInMm: 0.5,
+  lengthInGu: 2,
+  heightInMm: 10,
+  filletInMm: 2,
+}
+
+/**
+ * @param {typeof defaultParams} params
+ */
+export default function main(params) {
+  const { draw, drawRoundedRectangle } = replicad
+  const {
+    gridUnitInMm,
+    cutterKerfInMm,
+    holeDiameterInMm,
+    headDiameterInMm,
+    headHeightInMm,
+    headCornerRadiusInMm,
+    lengthInGu,
+    heightInMm,
+    filletInMm,
+  } = params
+
+  const lengthInMm = lengthInGu * gridUnitInMm - cutterKerfInMm
+  const widthInMm = gridUnitInMm
+
+  const jigProfile = drawRoundedRectangle(lengthInMm, widthInMm, filletInMm).translate([
+    (1 / 2) * lengthInMm + (1 / 2) * cutterKerfInMm,
+    0,
+  ])
+
+  let jigShape = /** @type Replicad.Solid */ (
+    jigProfile.sketchOnPlane().extrude(heightInMm)
+  ).fillet(filletInMm)
+
+  for (let gridIndex = 0; gridIndex < lengthInGu; gridIndex++) {
+    const holeProfile = draw()
+      .hLine((1 / 2) * holeDiameterInMm)
+      .vLine(heightInMm - headHeightInMm)
+      .customCorner(headCornerRadiusInMm)
+      .hLine((1 / 2) * (headDiameterInMm - holeDiameterInMm))
+      .vLine(headHeightInMm)
+      .hLine(-(1 / 2) * headDiameterInMm)
+      .close()
+
+    const holeShape = /** @type Replicad.Solid */ (
+      holeProfile.sketchOnPlane('XZ').revolve([0, 0, 1])
+    ).translate([(1 / 2 + gridIndex) * gridUnitInMm, 0])
+
+    jigShape = jigShape.cut(holeShape)
+  }
+
+  return jigShape
+}