All furniture, joinery, etc. is designed with right angles in mind. Creating non-right angles is a great way to have unusable nooks and crannies. And a rectang

All furniture, joinery, etc. is designed with right angles in mind. Creating non-right angles is a great way to have unusable nooks and crannies. And a rectangle only needs four sides; a triangle has non-right angles, and any more complex shape needs more joints.