From HacDC Wiki
There are 2 working 3D printers in the hackspace currently:
LulzBot Mini LulzBot Taz
There are several other 3D printers in various states of repair, disrepair
Reprap Mendel V1.5 (Being Repaired) Rostock Max V2
Please check their respective pages for their status etc.
This category has the following 4 subcategories, out of 4 total.