whip up some cardboard pulp, and press that gunk into some 3D-printed molds. In addition to a step-by-step of the process, [flowalistik] offers a mold set of STL files for various useful items ...

In [Erics] case, it’s impossible to use a simple planar split line, so he mounts the master part on a block of wood and uses cardboard and modeling clay to create a volume where the second side ...