powerbank-bike-clamp: fix overlap

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

diff --git a/powerbank-bike-clamp.scad b/powerbank-bike-clamp.scad
index 8e5a9db87c28c4f4dc210a39b2c152ed4a3c7829..f7154eaccbf8369bf1d267e1798441028322e062 100644 (file)
--- a/powerbank-bike-clamp.scad
+++ b/powerbank-bike-clamp.scad
@@ -92,12 +92,12 @@ module HingeBodyPlan(){ translate([0, hinge_y]) circle(r= hinge_outer_r); }
 module TubeClampLeftPlan(){
   difference(){
     union(){
-      polygon([[ 0,                    hinge_y + hinge_outer_r ],
-              [ -main_r + overlap_l,  hinge_y + hinge_outer_r ],
-              [ -main_r + overlap_l,  bot_y                   ],
-              [ -clamp_gap/2,         bot_y                   ],
-              [ -clamp_gap/2,         0,                      ],
-              [ 0,                    0,                      ],
+      polygon([[ 0,                      hinge_y + hinge_outer_r ],
+              [ -(main_r + overlap_l),  hinge_y + hinge_outer_r ],
+              [ -(main_r + overlap_l),  bot_y                   ],
+              [ -clamp_gap/2,           bot_y                   ],
+              [ -clamp_gap/2,           0,                      ],
+              [ 0,                      0,                      ],
               ]);
       HingeBodyPlan();
     }