The Complete Prusa Buyer's Guide: MINI+ to XL — Which One Should You Buy?

Prusa Research has built its reputation on reliable, open-source, endlessly upgradeable 3D printers designed and manufactured in the EU. The current range spans six very different machines — from the compact MINI+ to the five-toolhead XL and the engineer-focused Pro HT90 — and choosing well means matching the machine to the materials and scale you actually work with. This guide maps the entire range so you can buy once and buy right.

The First Decision: Open-Frame, Enclosed, or Professional?

As with any printer range, the structure determines what you can print:

• Open-frame (MINI+, MK4S): No enclosure. Excellent for PLA, PETG, and TPU. The MK4S can handle some advanced materials, but ABS and ASA print best with an enclosure.
• Enclosed CoreXY (Core One Plus +, Core One L): Fully enclosed with active chamber heating, so ABS, ASA, PC, and nylon print reliably. Faster CoreXY motion and consistent quality at height.
• Large-format multi-toolhead (XL): A CoreXY platform with up to five independent toolheads for true multi-material printing at large scale.
• Professional high-temperature (Pro HT90): A 90 °C actively heated chamber and 500 °C toolhead for engineering and aerospace-grade polymers like PEEK and PEI.

The Full Range at a Glance

The Open-Frame Tier: MINI+ and MK4S

The Original Prusa MINI+ is the most affordable way into the Prusa ecosystem. With a 180×180×180 mm build volume, a 280 °C nozzle, and a 100 °C bed, it is a capable little machine for PLA, PETG, and TPU — and our Enclosure Bundle adds the option to tackle more demanding materials. It is available semi-assembled, making it a popular choice for education and first-time buyers.

The Original Prusa MK4S is Prusa's flagship open-frame workhorse and the backbone of countless workshops and print farms. Its 250×210×220 mm build volume, custom high-flow nozzle (raising volumetric flow to around 24 mm³/s), and 360° part cooling make it genuinely fast while keeping the open, easy-to-maintain design Prusa is known for. Add the optional enclosure for ABS and ASA, or the MMU3 for multi-material printing. Available as a kit or fully assembled.

The Enclosed CoreXY Tier: Core One Plus + and Core One L

The Prusa Core One Plus + is Prusa's fully enclosed CoreXY machine — the natural step up when you need ABS, ASA, PC, or nylon. Its actively heated chamber reaches up to 55 °C, the CoreXY motion delivers travel speeds up to around 600 mm/s, and it prints roughly 15–20% faster than the MK4S while taking up less space than an enclosed MK4S. Build volume is 250×220×270 mm — taller than the MK4S thanks to extra Z-height.

The Prusa Core One L takes the same enclosed CoreXY concept and roughly doubles the build volume to 300×300×330 mm (~30 litres) while increasing the footprint by only about 10%. It adds an AC convection cast-aluminium heatbed with very even temperature distribution and an actively heated chamber up to 60 °C — the choice when you need large enclosed engineering parts in one piece.

The Large-Format Multi-Toolhead: Original Prusa XL

The Original Prusa XL is the flagship of the range — a large-format CoreXY platform with a 360×360×360 mm build volume and, uniquely, support for up to five independent toolheads. Multiple toolheads mean true multi-material and multi-colour printing without the purge waste of single-nozzle systems: each toolhead carries its own filament, and the printer parks and swaps them automatically. It is the right machine for large objects, multi-material assemblies, and production workflows. Note its enclosure is passive, not actively heated — for high-temperature engineering polymers, the Pro HT90 is the dedicated tool.

The Professional High-Temp Machine: Prusa Pro HT90

The Prusa Pro HT90 is a delta-kinematics printer built for engineers. Its actively heated chamber reaches 90 °C and its swappable high-temperature toolhead reaches 500 °C — enabling small-to-mid-sized parts in PEEK, PEKK, PPS, PSU, PES, and PEI (Ultem), the aerospace-grade materials most desktop printers cannot touch. A high-flow toolhead is also included for fast PLA, PETG, and ASA, and a closed-loop HEPA recirculation system keeps the chamber air clean. The cylindrical build area is Ø300×400 mm. For production, research, and B2B engineering, this is the most affordable route into high-performance polymers.

Recommendations by User

• First printer, tight budget, mostly PLA: MINI+ (Enclosure Bundle for room to grow)
• Best all-round open-frame workhorse: MK4S
• First enclosed printer for ABS/ASA/PC: Core One Plus +
• Large enclosed engineering parts: Core One L
• Multi-material or large-format production: XL
• PEEK, PEI, and professional polymers: Pro HT90

Available from Eolas Prints — Authorised Prusa Reseller

Eolas Prints is an authorised Prusa reseller. Every printer in this guide is a genuine Original Prusa machine supplied with full manufacturer warranty, genuine spares and firmware, and EU support, shipped from Spain. Browse the full Prusa range, or contact us — we advise before you buy.