digispark-with-cable: strain_around

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

diff --git a/digispark-with-cable.scad b/digispark-with-cable.scad
index 54f7e1c03e31531131e3a5691f9031a8d6bf3b5d..1ad978c878af66ee7bcb99deda0bc93b90872ca3 100644 (file)
--- a/digispark-with-cable.scad
+++ b/digispark-with-cable.scad
@@ -44,6 +44,7 @@ strain_pitch_across = 5;
 strain_pitch_along = 10;
 strain_groove_d = 2;
 strain_groove_w = 4.5;
+strain_around = [2.25, 2.00];
 
 cover_strap_c_d_y = 5.5; // from front of board
 cover_registration_sz_y = 2;
@@ -304,6 +305,12 @@ module Cover(){ ////toplevel
       CoverRegistrations();
     }
     CoverStrapCutouts();
+    linextr(-20,20) {
+      minkowski(){
+       square(strain_around * 2, center=true);
+       hull() MiddleStrainHoles();
+      }
+    }
   }
 }
 module CoverPrint(){ ////toplevel