The file 'Laser & Fan Upgrades For Printrbot Simple Metal 3D Printer Model' is (ipt,stl,stp,pdf) file type, size is 2.8MB.
6/19/2016 - Updated with fan duct V3, simplified design, improved tolerances and better air flow.
More information including build log, software and laser settings:
http://polakiumengineering.com/1000-portable-3d-printer-laser-cutter/
Fan duct printed with PLA - 0.25mm layers, 2 perimeters, 2 top/bottom solid layers, 30% infill and no support.
duct_v2.ipt | 1.8MB | |
duct_v2.stl | 1.5MB | |
duct_v2.stp | 612.3KB | |
duct_v3.1.stl | 613.2KB | |
fan_mount.stl | 252.5KB | |
pb_drill.pdf | 4.2KB | |
shield_etch.pdf | 4.0KB |