for (mx=[0,1]) for (my=[0,1]) {
mirror([mx,0,0]) mirror([0,my,0])
polygon([[-0.1, -0.1],
[pegstem/2, -0.1],
[pegstem/2, pegstemheight/2],
[peghead/2, pegheight /2],
for (mx=[0,1]) for (my=[0,1]) {
mirror([mx,0,0]) mirror([0,my,0])
polygon([[-0.1, -0.1],
[pegstem/2, -0.1],
[pegstem/2, pegstemheight/2],
[peghead/2, pegheight /2],