scaffold-clamp: wip vhook

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/scaffold-clamp-vhook.scad b/scaffold-clamp-vhook.scad
index c62edf9ddb7b247d6b22a956f6f15faa020ea1e0..edf7d1cc205f17a3640a8f5f5ef5421727f1e821 100644 (file)
--- a/scaffold-clamp-vhook.scad
+++ b/scaffold-clamp-vhook.scad
@@ -6,8 +6,6 @@ include <scaffold-clamp-common.scad>
 
 vhook_th = 10;
 
-vhook_smooth = 3;
-
 theta = atan2( smooth_r, main_r );
 
 vhook_inside = 15;
@@ -27,10 +25,8 @@ module VHookPlan() {
 }
 
 module VHookProfile() {
-  offset(r=+vhook_smooth)
-  offset(delta=-vhook_smooth)
-  rectfromto([ -vhook_th/2, -vhook_inside/2 ],
-            [ +vhook_th/2, -vhook_inside/2 - vhook_th]);
+  translate([0, -vhook_inside/2 - vhook_th/2])
+    circle(r = vhook_th/2);
 }
 
 module PartB(){ ////toplevel