Large 3D printer.
- $12k - 
Due to license ambiguity (This file says it's proprietary - https://github.com/Gigabot-Labs/Pellet-Extruder/blob/master/revisions%20of%20cad/rev_04/Drawings/dual%20cartridge%20heater%20block.PDF )
Marcin contacted the co-founder and head of technology:
We are in the process of certifying Gigabot with OSHWA. Feel free to use the design in accordance with that license.
Let me know if you have any questions.