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Prusa Mini+ Upgrade Kit

Prusa Mini+ Upgrade Kit

By Prusa · 3D Printing Accessories & Scanners · 3D Printing

  • Dual Z-axis synchronous drive
  • Repeat positioning accuracy ±0.04mm
  • Build height 180mm to 200mm
  • Print speed up to 200mm/s
  • Z-axis oscillation reduced 30-40%

Price not listed

New
Used, refurbished, open-box

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Problems, parts and running costs

Summary

An aftermarket dual-Z conversion for the Prusa Mini+ that is not an official Prusa accessory. Check the seller and the kit contents before buying: no manufacturer page, manual, warranty, or exact-kit owner review was found.

Strengths

  • Community dual-Z mod descriptions praise improved stability and precision versus the single-Z cantilever design.
  • General Prusa Mini+ praise includes strong print quality for its price, good first-layer behavior, compact size, and low cost relative to larger Prusa machines.
  • If inexpensive and complete, the kit may appeal to owners wanting taller prints and reduced Z wobble.

Weaknesses

  • No manufacturer page, manual, warranty, or support channel was found for this kit.
  • No independent test of this exact kit, and no instrumented measurements of accuracy, speed, vibration, or surface finish.
  • No exact-kit owner reports or failure modes were found.
  • Kit contents, tools, and any firmware changes are unconfirmed.
  • May require donor Prusa Mini+ parts and disassembly; value drops if so.
  • The product is listed under “Prusa” but no Prusa Research page covers it; Prusa’s own upgrade kit is a different SuperPINDA product.

Verified specifications

Functionconverts a Prusa Mini+ to a dual Z-axis printer.
Community designPrintables model 1477528, published 2025-12-05, describes a dual-Z solution for Prusa MINI/MINI+.
Community mod descriptiondual Z plus direct drive with Input Shaper, described as comparable to Prusa MK4S after upgrade.
Full research notes and sources

What it is

The kit is an aftermarket mechanical and electrical upgrade that claims to turn a single-Z Prusa Mini+ into a dual-Z, higher-stability machine with a taller build envelope. The Printables community model behind it describes a dual-Z conversion for Prusa MINI/MINI+, and a separate Thingiverse mod describes a dual-Z direct-drive conversion with Input Shaper. Neither is the sold kit, and neither is a test.

Evidence and verification

No independent instrumented test of this exact kit was found, and no exact-kit owner review. Community evidence for comparable dual-Z Prusa Mini mods exists but is generic and not tied to this kit. The performance figures on the listing (180 mm to 200 mm build height, ±0.04 mm accuracy, up to 200 mm/s, and 30-40% oscillation reduction) are unverified marketing claims. Treat them as claims, not specifications.

Compatibility and installation

The kit likely requires a donor Prusa Mini+ and possibly additional parts or tools; community dual-Z mods have used donor Mini parts. Generic Prusa Mini dual-Z practice wires the two Z motors in series because the Buddy board has no separate ZL/ZR connectors. Whether this sold kit includes controller or firmware changes was not confirmed. It is unknown whether the kit affects Prusa warranty on the base printer.

Is it worth it?

If the kit is inexpensive and includes all mechanical and electrical parts, it may be attractive to owners seeking taller prints and reduced Z wobble. If it requires extensive disassembly or donor parts, value drops. Compare against official Prusa upgrades and simpler mods before buying.

Which model this is

This page covers the aftermarket “Prusa Mini+ Upgrade Kit” sold under the Prusa name, not an official Prusa Research accessory. Do not confuse it with the official Prusa “Original Prusa MINI to MINI+ upgrade kit” (SuperPINDA sensor swap), the Slice Engineering Copperhead hotend kit, Bondtech extruder upgrades, or the roboticious3d dual-Z Thingiverse mod.

Sources

Manufacturer:

Independent reviews:

Owner reports:

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