Mold For Marching Drum 2017. ↓ Project: Mold For Marching Drum 1 / 5 A code poem generates vector files. 2 / 5 The files are read by a laser cutter. 3 / 5 The shapes are assembled to make cylindrical molds. 4 / 5 The molds are used to make light, affordable, and loud marching drums. 5 / 5 The marching drums are used in street actions, whenever needed.