Identical Twins pieces to finish it off

When I gave the Identical Twins puzzle to a friend he complained that the puzzle was not complete because there were holes left in the puzzle. (ok maybe a little OCD). So even though he does not have a 3d printer he sketched up this design and I made it. If the pieces are too tight or too loose it can be very annoying when doing the puzzle. This is done in openscad so that it can be tweaked for size. If you want to only print one of the pieces you will have to comment out lines at the bottom of