20mm OD Conduit version of Piper 2 3D Printer (CoreXY design based on EMT conduit pipes)

thingiverse

Human Version 2 of this printer was released. Check out https://www.thingiverse.com/thing:3303290. Some UK providers still block the main website, which is taking too long to react after four months. You can access a mirror at http://s728416714.onlinehome.us. [Update: There was an error in Z roller that has been fixed in Z Roller.UK.v1.2.stl.] [Update: New versions for wire holders on X carriage are available.] [Update: Added holes for optional tensioning screws to Z Roller.UK.v1.1.stl.] This is the release of Piper 2, a 3D printer designed for the UK and other countries with 19.9mm OD conduits. The US version of Piper 2 can be found at https://www.thingiverse.com/thing:3022836. (My previous printer, Piper 1.2, is currently available in two designs, one for US https://www.thingiverse.com/thing:2966295 and another for UK EMT conduits https://www.thingiverse.com/thing:2999885.) Instructions for assembling the printer and a bill of materials are at https://piper3dprinters.com/?page_id=397. Piper 2 was unveiled at ERRF 2018. You can watch Matthew Snow's interview on his YouTube channel, which showcases Piper 2 in action: https://youtu.be/ybxNmI4ZSYw. Additionally, you can visit Matthew Snow's YouTube channel: https://www.youtube.com/channel/UCZJCjdW8YlYcXnwTX2Al28Q/featured. Piper 2 is capable of printing at a speed of 180 mm/s. You can watch it in action here: https://youtu.be/Mqc5MaeZ7E4. A calibration cube with Cura slicer, printed from left to right at speeds ranging from 100mm/s to 210mm/s with a jerk setting of 7 and the latest Marlin 1.1.9 firmware. Printing quantities include: frame-joint bracket.stl - 36 frame-2x corner.stl - 2 frame-3xcorner.stl - 6 frame-Z 2x corner.stl - 2 frame-Z motor holder.stl - 4 frame-Z Motor stand L.stl - 2 frame-Z Motor stand R.stl - 2 frame-Z support.stl - 8 gantry-motor mount.stl - 2 gantry-idler inside.stl - 2 gantry-idler outside.stl - 2 gantry-motor inside.stl - 2 gantry-motor outside.stl - 2 gantry-X carriage-Extruder Holder.stl - 2 gantry-Y carriage.stl - 4 gantry-Z Bracket.stl - 8 gantry-Z_Rod_Nut_Holder.stl - 4 Z Roller.stl - 4 enclosure-Base Cap.stl - 2 bed mounting bracket 2.stl - 4 bed mounting bracket.stl - 4 extruder holder base.stl - 2 for each extruder universal pipe bracket.stl - 2 for each extruder Electronics Enclosures were cut on CNC from 5mm MDF, which is why step files are provided.