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-rw-r--r--x-carriage.scad2
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
@@ -55,25 +55,25 @@ module xcarriage() {
for(sz=[-1,1]) translate([0,0,sz*rods_apart/2]) {
rotate([0,90,0])
cylinder(d=bearings_d,bearings_l,center=true,$fn=60);
for(sx=[-1,1]) translate([sx*bearings_l/4,0,0])
rotate([0,90,0]) difference() {
cylinder(d=tiehole_od,h=tiehole_w,center=true,$fn=60);
cylinder(d=tiehole_id,h=tiehole_w+2,center=true,$fn=60);
}
rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60);
}
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]) {
ofc = mounting_holes_apart/2+screwhead_d/2+belt_thickness+belt_tooth+play_tolerance; // offset from center
r=1;
x0 = ofc+r; x1=cw/2-r;
z0 = r; z1 = belts_apart/2-belt_thickness;
difference() {
hull() for(x=[x0,x1]) for(z=[z0,z1])
translate([x,0,z])
rotate([90,0,0]) cylinder(r=r,h=belt_width+2,center=true,$fn=30);
translate([cw/2,0,belts_apart/2]) mirror([0,0,1]) belt(width=belt_width+2,l=cw/2+2,tolerance=fit_tolerance);