- #translate([-12,10,belt_h]) rotate([0,90,0]) cylinder(r=idler_bearing_inside_d/2+.5,h=25);
+ #translate([-12,10,belt_h]) rotate([0,90,0]) {
+ cylinder(r=idler_bearing_inner_d/2+.5,h=25);
+ translate([0,0,1]) cylinder(r=idler_bearing_inner_d,h=3);
+ translate([0,0,idler_w+idler_wall_t*2]) cylinder(r=idler_bearing_inner_d,h=3,$fn=6);
+ }
+