1 files changed, 1 insertions, 1 deletions

diff --git a/x-carriage.scad b/x-carriage.scad
index 26e54f6..ac963d5 100644
--- a/x-carriage.scad
+++ b/x-carriage.scad
@@ -64,7 +64,7 @@ module xcarriage() {
   }
 
   difference() {
-   gap=3;
+   gap=belts_apart/6;
    translate([0,-.5,-gap/2])
    cube(size=[cw+2,belt_width+2,belts_apart+2*belt_thickness+gap],center=true);
    for(mx=[0,1]) mirror([mx,0,0]) {