footrad_min = 4; footrad_max = 6; footrad_depth = 3;
translate([cx - bar[0]/2, cy0, 0])
cube([bar[0], cy1-cy0, bar[1]]);
for (endy=[cy0,cy1]) {
footrad_min = 4; footrad_max = 6; footrad_depth = 3;
translate([cx - bar[0]/2, cy0, 0])
cube([bar[0], cy1-cy0, bar[1]]);
for (endy=[cy0,cy1]) {