Рет қаралды 13,576
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.