widened belt opening

1 files changed, 5 insertions, 0 deletions

diff --git a/x-carriage.scad b/x-carriage.scad
index 8a9f0d9..c2552d2 100644
--- a/x-carriage.scad
+++ b/x-carriage.scad
@@ -22,4 +22,5 @@ belt_width = 6 + slide_tolerance;
 belts_apart = 12;
 belt_pitch = 2;
+beltholder_chamfer = 1;
 
 tiehole_id = bearings_d+3;
@@ -94,4 +95,8 @@ module xcarriage() {
    rotate([90,0,0]) cylinder(d=screwhead_d+2*play_tolerance,h=screwhead_h+play_tolerance+1,$fn=30);
   }
+  ccs = (belt_thickness+2*beltholder_chamfer)/sqrt(2);
+  translate([0,-belt_width/2,belts_apart/2+belt_thickness/2-fit_tolerance/2])
+  rotate([45,0,0]) cube(size=[cw+2,ccs,ccs],center=true);
+
  } // difference
 }