I Turn 60 Plywood Triangles into a Bowling Ball You can build amazing bowling ball out of plywood! You need 60 triangles (templates are in the video). Glue them together, make all angles smooth by ...

Bowling regulations state that a competition-standard lane should be made up of 39 narrow wooden boards across its 41.5-inch (105.4cm) width. "The position of the ball as it hits the pins is ...