This is my Modicum Extruder. I have open sourced it due to allot of requests to do so. 3D Printing instructions .2 -.3mm layer height 100mm/s ABS is r...ecomended. I canot vouch for PLA.
BOM ON my blog as well as the image above. - http://engineerd3d.ddns.net/modicum-v1-open-source/
If you like this extruder drop a tip in the jar.