RailCore® Labs
RailCore® is a family of Core-XY based Reprap 3D printers designed by J. Steve White, Tony Akens, and Ben Withem.
RailCore Build Guides
Step-by-step assembly guides for the RailCore II 300ZL and the RailCore Mini, with photos for every step. They lived on Dozuki until it shut down on 2026-11-20 and are now part of this site. Click any step photo for the full-resolution original.
Spotted a problem, or want to help tidy the guides up? Join the #documentation channel on Discord.
RailCore II 300ZL
Guide list · Whole build on one page (for printing or saving as PDF)
- A) Introduction
- B) Prep
- C) Top Extrusions Assembly
- D) Bottom Extrusions Assembly
- E) Upright Extrusion / Frame Final Assembly
- F) Z Installation
- G) Sides Installation
- H) Leadscrews and Z Yokes
- I) Y Rail Installation
- J) X/Y Steppers and Idlers
- K) Y Carriage
- L) X/Y Belts
- M) Hotend and Extruder
- N) Aligning your RailCore
- O) Bed
- P) Electronics
- Q) Wiring the Electronics
- R) Firmware, Config, and Smoke Test
- S) First Moves
- T) Adjusting Your Configuration
RailCore Mini
Guide list · Whole build on one page (for printing or saving as PDF)
- A) Introduction
- B) Prep
- C) Top Extrusions Assembly
- D) Bottom Extrusions Assembly
- E) Upright Extrusion / Frame Final Assembly
- F) Z Installation
- G) Sides Installation
- H) Z Motors and Leadscrews
- I) Y Rail Installation
- J) X/Y Steppers and Idlers
- K) Y Carriage
- L) X/Y Belts
- M) Hotend and Extruder
- N) Aligning your RailCore
- O) Bed
- P) Electronics
- Q) Wiring the Electronics
- R) Firmware, Config, and Smoke Test
- S) First Moves
- T) Adjusting Your Configuration
More
- All parts and tools used in the guides
- Build FAQ
- About this archive