Some updates since this guide:
MKS TFT touch screen with SD card guide: https://youtu.be/ncc7TRkCH-M
A4988, DRV8825 and TMC2100 setup guide: https://youtu.be/H41hIXdB6js
TMC2208 setup guide: https://youtu.be/7VHwcEroHPk
TMC2130 setup guide: https://youtu.be/OUadiW5QLBE
LV8729 setup guide: https://youtu.be/lDljLaXWg4E
Redesigned, much better electronics enclosure: https://youtu.be/k83M5H796U8


Merry Christmas! Many have requested a guide to changing the Melzi mainboard to an MKS Gen L. I've put in the work to make this as simple as possible for viewers to follow.

The Makerbase MKS Gen L is cheap, yet offers a significant upgrade over the factory mainboard. Future mods will be a lot easier in terms on IO and firmware changes.

EDIT: I probably should have mentioned this has no effect on print quality.

My 3D printed housing/adaptor moves access to the mainboard underneath the printer. This is not ideal but was necessary to allow access to the USB port. At least this is easy with the hinged design. The mainboard…

Here is my review of the Railcore II 300ZL 3d printer from Project R3D. This is the first production kit, assembled by my friend Robert, and put through some prints by myself.

#railcore #projectr3d #3dprinterreview

Get your own Railcore II 300ZL kit here:
https://www.projectr3d.com/products/

Open Source Docs and BOM:
https://railcore.org/doku.php?id=:en:start

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