Custom Firmware v1.0 for Original Prusa MK3.5 / MK3.5S
This Custom Firmware v1.0 is an unofficial firmware release for the Original Prusa MK3.5 and MK3.5S, based on Prusa-Firmware-Buddy v6.5.3. It adds experimental tuning options for LGX / LGX Shortcut FF and similar third-party extruder setups, while keeping the stock Prusa behavior as close as possible.
Custom Firmware v1.0 for Original Prusa MK3.5 / MK3.5S Read More »
This article is part of the Prusa XL Technical Series on INVESTEGATE.de
All guides assume that the Prusa XL Fundamentals are correct.
If not, start here:
Prusa XL Basics – Technical Fundamentals




