Design by Oskar van Deventer

The 2-in-1 puzzle is a nice interlocking burr made out of twelve rods. The puzzle is not hard to make by yourself, but the solution is not as simple as it looks. A tip: some pieces has to be put into the puzzle as an pair.

The pieces shown in the diagram below has to be drawn on a square stick. Some pieces has to be duplicated several times. In total you make twelve pieces of 2 x 2 x 9 units.

As said before, it is difficult to find the solution. For those who has less perseverance or just want to see of their pieces are correct sawn, can look at the solution which is shown on the next page.