imported rotary tools

1 files changed, 35 insertions, 0 deletions

diff --git a/src/rotary_tools_handle.scad b/src/rotary_tools_handle.scad
new file mode 100644
index 0000000..b4dc581
--- /dev/null
+++ b/src/rotary_tools_handle.scad
@@ -0,0 +1,35 @@
+
+// Wheel radius
+r = 20;
+// Vertical clearance for the wheel, as a ratio
+r_clear = 1.25;
+
+// Handle radius
+handle_r = 6;
+// Handle height (excluding wheel support)
+handle_h = 100;
+
+// Axle radius
+axle_r = 2.5;
+
+supp_x = 4;
+supp_y = handle_r * sqrt(3);
+supp_z = r * r_clear + supp_y/2;
+
+rotate([90,0,0]) difference() {
+    union() {
+        translate([0, 0, -handle_h]) cylinder(r=handle_r, h=handle_h, $fn=6);
+        hull() {
+            translate([0, 0, -handle_r*2]) 
+                cylinder(r=handle_r, h=handle_r*2, $fn=6);
+            translate([-handle_r, -supp_y/2, 0]) 
+                cube([supp_x, supp_y, supp_z]);
+            translate([handle_r-supp_x, -supp_y/2, 0]) 
+                cube([supp_x, supp_y, supp_z]);
+        }
+    }
+    translate([-handle_r+supp_x, -supp_y/2-1, 0]) 
+        cube([(handle_r-supp_x)*2, supp_y+2, supp_z+2]);
+    translate([0, 0, r*r_clear]) rotate([0, 90, 0]) 
+        cylinder(r=axle_r, h=handle_r*2+2, center=true);
+}