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RailCore II 3D Printer

RailCore II is a Core-XY based Reprap 3D printer designed by J. Steve White & Tony Akens under the CC-Attribution Only license.

Front	Side	Parts	Prints

Table of RailCore II ZL Versions

	RailCore II ZL	RailCore II 300ZL	RailCore II 300ZLT
X/Y Printable	250×250	300×300	300×300
Z Printable	280	330	600
ABL	Yes	Yes	Yes
Fusion 360 Model	Model	Model	Model
Bill of Materials	BOM	BOM	BOM
Assembly Guide	Guide	Guide	Guide
Outer dimensions (excl.260mm for loom)	522mm x 445mm x 496mm	572mm x 495mm x 546mm	572mm x 495mm x 830mm

RailCore II Community Resources

Hardware - all about choosing and sourcing the parts for your RailCore II.
Build & Troubleshoot - how to assemble and get your RailCore II running.
Software - how to configure the firmware on your RailCore II as well as your slicer.
Customization - information of variations and customization of the RailCore II.

Read all about the design history of the RailCore II and how it came to be. More questions? Have a look at the General FAQ

All models	Typical specifications, these may vary by kit and self-source.
Motion system	CoreXY with linear rails and lead screws, capable of moving 200-400mm/s
Bed specifications	6.35mm MIC6 cast aluminium tool plate with Keenovo silicone bed heater
Electronics	Duet2 + Duex or Duet3 recommended
Probe	BL-Touch,IR probe or Piezo are common.
Z step	Typically 0.01mm, but dependent on leadscrews and Z steppers. 0.0025mm is possible
Steppers	0.9 degree on XY. 0.9 or 1.8 degree on Z
Parts materials	Printed and machined aluminium parts are available
Materials	PLA, ABS, PETG, TPU, TPE, PP, HIPS, Ninjaflex, Laywood, Laybrick, Nylon, Bamboofill, Bronzefill, ASA, T-Glase, Carbon-fiber filaments, Polycarbonate, and more.

A special thanks to Filastruder, Duet3d, E3D, SeeMeCNC, Mandala Rose Works, 713 Maker and Project R3D for supporting the project. You can support this project by assisting with documentation via our Contributing page.