Prusa 3D Printers in 2026: MK4, Mini+, and XL Guide

Prusa Research has been a pillar of the 3D printing community since Josef Prusa's early RepRap contributions. In 2026, their lineup spans from the compact Mini+ to the massive multi-tool XL. What sets Prusa apart is their commitment to open-source hardware and software — you own your printer completely, with no cloud dependencies or locked-down firmware. Here's our guide to the current Prusa lineup.

Prusa MK4S: The Workhorse

The MK4S is Prusa's flagship single-tool printer and the evolution of the beloved MK3 line that defined reliable 3D printing.

Key Features

• Build volume: 250 × 210 × 220mm — generous for most projects
• 32-bit Buddy board running Prusa's custom firmware with input shaping
• Nextruder: Prusa's latest direct-drive extruder with planetary gearbox, quick-swap nozzles, and a load cell for automatic first-layer calibration
• Automatic bed leveling using the load cell — no probe needed, the nozzle itself is the sensor
• PrusaSlicer: One of the best slicers available, with excellent default profiles
• Filament sensor: Pauses the print when filament runs out so you can swap rolls

Who It's For

The MK4S is ideal for makers who value reliability over speed. It's not the fastest printer on the market — Bambu Lab printers are significantly quicker — but it's incredibly dependable. Prusa's quality control, extensive documentation, and responsive support make it a "set it and forget it" machine. If you print frequently and need consistent results with minimal fiddling, the MK4S delivers.

The Open-Source Advantage

Every part of the MK4S is open-source. Firmware, hardware designs, even the printed parts that hold the printer together — it's all available on Prusa's GitHub. This means:

• You can modify firmware to add features or fix issues
• Third-party upgrades and mods are abundant
• If Prusa disappeared tomorrow, the community could continue supporting the printer
• No cloud account required — your printer works offline, always

Prusa Mini+: Compact and Affordable

The Mini+ is Prusa quality in a smaller, more affordable package. With a 180 × 180 × 180mm build volume, it handles most projects while taking up minimal desk space.

Why Choose the Mini+

• Entry price: Significantly cheaper than the MK4S while sharing the same quality philosophy
• Bowden extruder: Lighter print head means it can move fast, though it's less suited for flexible filaments like TPU
• Same PrusaSlicer profiles: Identical software experience to the MK4S
• Great second printer: Many people run a MK4S as their main machine and a Mini+ for smaller jobs

The Mini+ is an excellent choice for beginners who want a reliable printer without breaking the bank, or for experienced users who want a dedicated secondary machine.

Prusa XL: Multi-Tool Manufacturing

The Prusa XL is Prusa's most ambitious printer — a CoreXY design with up to 5 tool heads and a massive 360 × 360 × 360mm build volume.

Multi-Tool Printing

The XL's headline feature is its tool changer. Instead of feeding multiple filaments through a single nozzle (like the Bambu AMS), the XL has completely separate extruder heads that dock and undock during printing. Benefits include:

• Zero purge waste when switching materials — no transition tower
• Mix different nozzle sizes in one print (0.4mm for details, 0.6mm for infill)
• Print with incompatible materials together (PLA + PETG, PLA + TPU)
• True soluble support with dedicated support material tool head

Segmented Heated Bed

The XL's build plate is divided into 16 individually heated segments. Only the segments under your print are heated, saving energy and enabling faster heat-up. For small prints on the large bed, you're not wasting power heating unused area.

Who Needs an XL?

The XL is a professional-grade machine priced accordingly. It makes sense for:

• Multi-material production printing
• Large-format parts that don't fit on a 250mm bed
• Print farms where tool-changing eliminates manual intervention
• Engineering prototyping with soluble supports

Prusa vs. Bambu Lab: A Quick Comparison

This is the question everyone asks. Here's the honest answer:

• Speed: Bambu Lab wins. Their printers are significantly faster, especially with input shaping and high flow rates.
• Reliability: Both are excellent. Prusa's track record is longer.
• Open source: Prusa wins decisively. Bambu's firmware is closed-source and requires cloud connectivity for many features.
• Software: PrusaSlicer is fully featured and community-driven. Bambu Studio is a fork of PrusaSlicer (which they're allowed to do — it's open source).
• Ecosystem: Bambu's AMS is simpler for multi-color. Prusa's MMU3 is improving but has historically been finicky.
• Support: Prusa's support is legendary. Bambu's is improving but inconsistent.

Neither is the wrong choice. It depends on whether you prioritize speed and polish (Bambu) or openness and community (Prusa).

Get Your Prusa at Forgely Roy

We carry Prusa printers and accessories at Forgely Roy. Buy locally and skip the international shipping wait. Our staff can help you choose the right model for your needs and walk you through the setup process. We also stock Prusa-specific parts, nozzles, and build plates.

📍 Forgely Roy — 5519 S 1900 W, Roy, UT 84067
📞 385-449-2694
⏰ Mon–Fri 11–6 • Sat 11–3