First commit

tools/dremel/scad/top_knob.scad

@@ -0,0 +1,55 @@
+$fn=60;
+
+include <BOSL2/std.scad>
+include <BOSL2/shapes2d.scad>
+include <boltsos_0.4.1/BOLTS.scad>
+
+CORNER_RADIUS = 3;
+
+holder_height=20;
+outer_diam=50;
+inner_diam=20.6;
+
+module screw_hole() {
+    rotate([0,90,0]) {
+        cylinder(h=3,d=8);
+        cylinder(h=20,d=4.5);
+    }
+}
+
+module screw_mount() {
+    rotate([90,0,0]) {
+        cyl(l=16, d=20, rounding=2);
+    }
+    translate([0,8,0]) {
+        rotate([90,0,0]) {
+            cyl(l=5, d=15, rounding=2);
+        }
+    }
+} 
+
+
+// Tube
+* color("grey") {
+    translate([0,0,150]) {
+        tube(od=20,wall=1,h=300);
+    }
+}
+
+// Tube holder
+color("red") {
+    difference() {
+        union() {
+            cyl(l=holder_height, d=outer_diam, rounding=2);
+            translate([0,0,holder_height/2]) {
+                cyl(l=holder_height/2, d=outer_diam-20, rounding=2);
+            }
+        }
+        translate([0,0,7]) {
+            cyl(l=holder_height,d=inner_diam, rounding=1);
+        }
+        rotate([0,90,0]) {
+            cyl(l=outer_diam+10,d=3.2);
+        }
+    }
+}