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
Prusa MK3.5 / MK3.5S Bed Leveling Guide with OctoPrint and Prusa Leveling Guide Plugin
Tune your Prusa MK3.5 or MK3.5S Nylock or Silicone Mod with OctoPrint and the Prusa Leveling Guide plugin. Visual MBL results for a flatter print…
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…
Flashing Custom Firmware on the Prusa XL
Step-by-step guide to flashing custom firmware on the Prusa XL – including bootloader, BBF builds, Klipper and common troubleshooting tips.
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Toothed vs smooth idlers on the Prusa XL: 2GT belt geometry, manufacturer sizing guidelines, and mechanical implications explained.
ScrubbyXL – Automatic Nozzle Wipe (MBL & during printing)
ScrubbyXL is an automatic nozzle wipe mod for the Prusa XL: cleans before MBL for a better first layer and wipes during long prints to…
Phaetus SiC Nozzle Long-Term Review: Problems, Failures and Alternatives
Long-term real-world experience with Phaetus SiC nozzles on the Prusa XL Nextruder: clogging, chipped tips, false filament errors, and why ObXidian proved more reliable.
Prusa XL – Custom G-Codes
This article lists custom G-codes for the Prusa XL Toolchanger that go beyond normal day-to-day printing.
Creality Space Pi X4 vs X4L – Comparison & Essential Mods
Comparison of the Creality Space Pi X4 vs X4L. Real-world experience, required mods, key differences, and which one is worth buying.
Prusa XL Basics – The Technical Foundation You Must Get Right
Technical fundamentals every Prusa XL owner must understand before calibration, troubleshooting, mods, or tuning. Not optional. Not beginner-friendly.






