My first attempt. How to build an Escher-like "impossible" triangle out of wood. This was originally drawn by Oscar Reutersvärd in 1934 & popularized by Roger Penrose in the 1950's.





MATERIALS
- 3 x 15 cm (6 inch). 1" x 1" stock.
- 2 screws
- Glue
- Clamps, drill bit & drill, etc.