Rostock is a linear delta robot 3D printer prototype, built in 2012 by Johann in Seattle, USA. Several variations have taken root, including: Kossel, Rostock mini, Rostock MAX, Rostock-Montpellier, Rostock Prisma, Delta-Pi, Cerberus, cOssel, Cherry Pi and ProStock. Both the MOST delta and their Open Source Metal 3D Printer also uses an inverted form of this design. Design Goals Build volume: 200x2