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License: CC BY 4.0

RailCore® Mini

The RailCore® Mini is a CoreXY-based RepRap 3D printer designed by J. Steve White and Tony Akens and published under the CC Attribution International license.

Overview

The frame is designed to use 1515 aluminum extrusions. This was a space-efficient choice, which makes building the printer easier, as standard M3 hardware fits nicely into the extrusion like T-Nuts would. To add rigidity, we use sides made from Acrylic or HDPE to stiffen the frame. These can alternatively be cut out of any material you prefer, including melamine, plywood and aluminum.

Notable aspects of the design include:

  • 3 trapezoidal lead screw Z-axis, stacked idlers, and duo-planar belt path
  • The electronics in the design are the Duet 3 Mini 5+, Duet 3 Expansion Mini 2+, Options Raspberry Pi, 24v PSU and 0.9 degree steppers.
  • We use an E3D Revo Micro for the design, as it’s the lightest avaliable at this time.
  • Support for other hotends such as E3D Revo 6, V6, Volcano, Slice Mosquito, and many others are also available.
  • Semi-direct drive or full bowden are both supported

Build of Materials

The BOM is hosted on Google Sheets.

Build Documentation

Documentation for building your own RailCore® Mini can be found on railcore.dozuki.com. If you need assistance with your build, a strong community of support is available on our Discord server.

Discord Shield

A special thanks to Filastruder, Duet3d, E3D, 713Maker, and Mandala Roseworks for supporting the project.

Thanks to Project R3d for components donated in the early beta process of the RailCore Mini.

RailCore® is a registered trademark of RailCore Labs, LLC.