Wireprint
WirePrint prints 3D objects as wireframe previews. By extruding filament directly into 3D space instead of printing layer-wise, it achieves a speed-up of up to a factor of 10, allowing designers to iterate more quickly in the early stages of design.
D-Coil Clay
D-Coil Clay is a freehand digitally controlled clay extruding tool designed to let users interleave the design and fabrication process.
D-Coil Clay Version WireFrame Printing