Replacement foot for our grill.

replacement-parts/grill-foot.scad

@@ -0,0 +1,107 @@
+$fn=256;
+dimLeg = [32, 32, 50];
+dimCaster = [31, 31, 50];
+casterPinDia = 7.5;
+casterRestDia = 14;
+casterRestHeight = 3;
+pipeThickness = 2.2;
+wallThickness = 4;
+legCutHeight = 96;
+ep = 0.01;
+
+dimOuter = dimLeg + [wallThickness, wallThickness, 0];
+
+module casterReceiver1() {
+  translate([0, 0, dimCaster[2]/2])
+  difference() {
+    cube(dimCaster, center=true);
+    cylinder(h=dimCaster[2]+2*ep, d=casterPinDia, center=true);
+    translate([0, 0, -dimCaster[2]/2-ep]) cylinder(h=casterRestHeight+ep, d=casterRestDia);
+  }
+}
+
+module casterReceiver2() {
+}
+
+module legReceiver() {
+  translate([0, 0, dimLeg[2]/2]);
+  difference() {
+    cube(dimLeg + [2*wallThickness, 2*wallThickness, 0], center=true);
+    cube(dimLeg + [0, 0, 2*ep], center=true);
+  }
+}
+
+module singlePiece() {
+
+  difference() {
+    union() {
+      // Caster receiver blank
+      linear_extrude(
+        height=dimCaster[2],
+        scale = [
+          dimOuter[0] / (casterRestDia + wallThickness),
+          dimOuter[1] / (casterRestDia + wallThickness)])
+        square(
+          [ casterRestDia + wallThickness,
+            casterRestDia + wallThickness],
+          center=true);
+
+      // Leg extension
+      translate([-dimOuter[0]/2, -dimOuter[1]/2, dimCaster[2] - ep])
+        cube([dimOuter[0], dimOuter[1], legCutHeight - dimCaster[2] + dimLeg[2] + ep]);
+    }
+
+    // Caster receiver cuts
+    cylinder(h=dimCaster[2], d=casterPinDia);
+    translate([0, 0, -ep]) cylinder(h=casterRestHeight + ep, d=casterRestDia);
+
+    // Leg receiver cut
+    translate([0, 0, (legCutHeight + dimLeg[2]/2)])
+      cube(dimLeg + [0, 0, ep], center=true);
+  }
+}
+
+module supportRib() {
+  sideLen = legCutHeight + dimLeg[2] * 3;
+  supportHeight = legCutHeight + dimLeg[2];
+  difference() {
+    translate([0, 0, supportHeight/2])
+      cube([sideLen, sideLen, supportHeight-ep], center=true);
+
+    singlePiece();
+
+    translate([-sideLen/2-ep, 1, -ep])
+      cube([sideLen+2*ep, sideLen+2*ep, supportHeight+2*ep]);
+
+    translate([-sideLen/2-ep, -sideLen-1, -ep])
+      cube([sideLen+2*ep, sideLen+2*ep, supportHeight+2*ep]);
+
+    translate([0, -sideLen/2-ep, -ep])
+      cube([sideLen+2*ep, sideLen+2*ep, supportHeight+2*ep]);
+
+    cylinder(h=legCutHeight, d=casterRestDia+2*ep);
+
+    translate([0, 0, legCutHeight + dimLeg[2]/2 - ep])
+      cube(dimLeg + [2*ep, 2*ep, 2*ep], center=true);
+  }
+}
+
+difference() {
+  union() {
+    rotate([0, -45, 0])
+    translate([(casterRestDia + wallThickness)/2, 0, 0])
+    union() {
+      singlePiece();
+
+      for (i = [-1, 1]) {
+        translate([-0.1, i*8, 0])
+        supportRib();
+      }
+    }
+
+    translate([-100, -30, 0]) cube([1, 60, 20]);
+  }
+
+  translate([-200, -200, -200]) cube([400, 400, 200]);
+  translate([-210, -10, -ep]) cube([100, 20, 200]);
+}