| -rw-r--r-- | x-carriage.scad | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/x-carriage.scad b/x-carriage.scad index d567189..6dc5b67 100644 --- a/x-carriage.scad +++ b/x-carriage.scad @@ -48,30 +48,31 @@ module belt(pitch=belt_pitch,width=belt_width,thickness=belt_thickness,tooth=bel module xcarriage() { cw = bearings_l+2*bearings_m; // carriage width % for(mz=[0,1]) mirror([0,0,mz]) translate([0,0,-belts_apart/2]) belt(l=cw+2); difference() { translate([-cw/2,-belt_width/2,-(rods_apart+bearings_d+bearings_m)/2]) cube(size=[cw,bearings_d/2+bearings_s+belt_width/2,rods_apart+bearings_d+bearings_m]); for(sz=[-1,1]) translate([0,0,sz*rods_apart/2]) { rotate([0,90,0]) cylinder(d=bearings_d,h=bearings_l,center=true,$fn=60); for(sx=[-1,1]) translate([sx*bearings_l/4,0,0]) + rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60); + translate([-cw/2-1,-belt_width,-(bearings_d-bearings_m)/2]) + cube(size=[cw+2,belt_width,bearings_d-bearings_m]); 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); - translate([-cw/2-1,-belt_width,-(bearings_d-bearings_m)/2]) cube(size=[cw+2,belt_width,bearings_d-bearings_m]); } difference() { 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() { |