In the beginning of the design process, every designer needs to be able to quickly generate ideas. We industrial designers usually start this with sketching, but it’s super fun to watch Jimmy DiResta bang out ten quick, totally different pencil holders by hand in his shop. Clever DiResta tricks abound: Watch how he renders a sheet of Corian cylindrical, exploits the properties of a sheet of plastic with a propane torch, devises a clever cutting method for bottles and more: