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

thingiverse

Version 2 of this printer was released look at https://www.thingiverse.com/thing:3303290 Some of UK providers are still blocking the main website (they are slow to react after 4 months) you may access mirror at http://s728416714.onlinehome.us. [Update: there was a mistake in Z roller which is fixed in Z Roller.UK.v1.2.stl] [Update: new versions for wire holders on X carriage] [Update: added holes for optional tensioning screws to Z Roller.UK.v1.1.stl] This is the release of Piper 2 3D Printer for the UK and other countries with 19.9mm OD conduits. US version of Piper 2 is at https://www.thingiverse.com/thing:3022836 (My previous printer Piper 1.2 is currently available in 2 designs, for US https://www.thingiverse.com/thing:2966295 and UK EMT conduits https://www.thingiverse.com/thing:2999885) Instructions for assembly of the printer and BOM are at https://piper3dprinters.com/?page_id=397. Piper 2 was presented at ERRF 2018. This is the interview to Matthew Snow's youtube channel showing working Piper 2 https://youtu.be/ybxNmI4ZSYw and the link to his channel: https://www.youtube.com/channel/UCZJCjdW8YlYcXnwTX2Al28Q/featured Piper 2 printing at 180 mm/s: https://youtu.be/Mqc5MaeZ7E4 Calibration cube with Cura slicer from left to right 100, 120, 150, 180, 210mm/s. Jerk=7 Latest Marlin 1.1.9 Printing quantities: 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 Enclosure walls cut on CNC from 5mm MDF (that's why step files are provided)