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-rw-r--r--x-carriage.scad5
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
@@ -18,12 +18,13 @@ mounting_holes_apart = mounting_holes_from_top[2][0]-mounting_holes_from_top[1][
belt_tooth=0.70;
belt_thickness=0.75;
belts_thickness = belt_thickness*2+belt_tooth+0.5;
belt_width = 6 + slide_tolerance;
belts_apart = 12;
belt_pitch = 2;
+beltholder_chamfer = 1;
tiehole_id = bearings_d+3;
tiehole_od = bearings_d+10;
tiehole_w = 4;
screw_d = 3;
@@ -90,12 +91,16 @@ module xcarriage() {
translate([0,0,30/*heatsink height*//2])
for(mhft = mounting_holes_from_top) translate([mhft[0],0,-mhft[1]]) {
rotate([90,0,0]) cylinder(d=screw_d+2*play_tolerance,h=bearings_d+2*bearings_s+2,center=true,$fn=30);
translate([0,belt_width/2+screwhead_h+play_tolerance,0])
rotate([90,0,0]) cylinder(d=screwhead_d+2*play_tolerance,h=screwhead_h+play_tolerance+1,$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
}
print=false;
if(print) rotate([-90,0,0]) xcarriage();
else xcarriage();