Frequently Asked Questions

This is the most important question in consumer 3D printing. Bambu Lab offers the easiest out-of-box experience: automatic calibration, a polished app, and excellent multicolor support via AMS. Prusa offers fully open-source hardware, battle-tested reliability, long-term repairability, and a world-class community. If you want something that just works with minimal tinkering, choose Bambu. If you want to fully understand your printer, modify it freely, and build on an open platform, choose Prusa. Both are excellent choices — the right answer depends on your values, not your print quality needs.

The AMS hardware itself is proprietary and designed for Bambu-brand filament integration (RFID tags for automatic profile selection). However, you can use third-party filament in the AMS — you simply have to set the filament profile manually in Bambu Studio. The AMS does not require Bambu filament to function, but Bambu-tagged spools do enable automatic settings.

Ecosystem lock-in means that your investment in accessories, slicing profiles, and multicolor hardware is tied to a specific brand. Bambu's AMS (multicolor system) only works with Bambu printers. Prusa's MMU3 only works with Prusa printers. If you switch brands, you cannot take these accessories with you. Software presets and slicing profiles are also largely non-portable. The larger your accessory investment, the more significant the lock-in.

Cycle advice tells you how far a printer is through its expected product lifecycle. We calculate the percentage of the expected cycle completed (based on historical release cadence) and translate that into a buy/wait recommendation. "Buy" means the printer was recently released and has a long support runway. "Wait" means a successor is likely within months.

Bambu releases new models every 6-12 months — faster than almost any other consumer hardware brand. If the current model is more than 70% through its cycle, waiting is reasonable. However, Bambu's new models rarely obsolete older ones dramatically (the P2S is excellent, but the P1S still prints as well as it did on day one). If a specific model meets your needs today, buying at Black Friday pricing is often smarter than waiting indefinitely.

In most cases, yes — especially for Prusa. The MK4S upgrade kit from an MK4 costs significantly less than a new MK4S and brings your printer to full spec. Prusa designs upgrade kits specifically to extend the life of existing hardware, which is unique in the industry. The calculus is less clear if you are upgrading from an older generation (e.g., MK3.5) — compare the total upgrade cost against a new current-gen printer before deciding.

Bambu releases new models more frequently than any other major 3D printer brand. This means Bambu printers enter "late cycle" status faster than Prusa or Creality models. However, Bambu continues to support and update older models via firmware. A "Wait" signal on a Bambu printer is less alarming than on a Prusa — the older model remains fully functional and supported. The main risk is missing on new features (not losing functionality you already have).

FDM (Fused Deposition Modeling) prints by melting plastic filament layer by layer. It is best for functional parts, large prints, and mechanical components. Resin (MSLA) cures liquid resin with UV light for extraordinary detail — ideal for miniatures, jewelry, and dental models. Resin requires significant post-processing (IPA washing + UV curing) and the liquid resin is a skin irritant requiring gloves and ventilation. We recommend starting with FDM. Move to resin only when you have a specific need for its detail level.

CoreXY is a motion system where the print head moves in X and Y using two motors connected by a belt — the bed only moves in Z. This allows much higher print speeds with less vibration than bed-slinger (Cartesian) designs where the entire bed moves back and forth in Y. Modern CoreXY printers like Bambu P-series achieve 500+ mm/s. Bed slingers are simpler, cheaper, and easier to calibrate but plateau at lower speeds for the same print quality.

These are two very different multicolor approaches. AMS/MMU-style systems (Bambu, Prusa) switch between different filament spools mid-print — one nozzle, multiple colors. This produces "purge towers" (waste material from color transitions). Dual extrusion (Bambu H2S) uses two separate nozzles that print simultaneously — no purge waste, and true two-material printing (e.g., PLA + PVA soluble supports) is possible. AMS supports up to 4-5 colors. Dual extrusion supports 2 materials. Both are complementary tools for different needs.

FDM stands for Fused Deposition Modeling. It is the most common type of 3D printer: a heated nozzle melts plastic filament and deposits it layer by layer to build up an object. FDM printers are versatile, affordable, and beginner-friendly. Almost all printers from Bambu, Prusa, Creality, and Anycubic are FDM.

Resin printers (also called MSLA or LCD printers) cure liquid photopolymer resin using a UV light source, exposing an entire layer at once. They produce much finer detail than FDM — ideal for miniatures, dental models, and jewellery — but require post-processing: washing in IPA and curing under UV light. Liquid resin is a skin irritant. Not recommended as a first printer.

Tier describes the target audience and price bracket. Entry printers (typically under $300) are aimed at beginners and casual hobbyists — the Bambu A1 Mini and Creality Ender 3 V3 KE are examples. Prosumer printers ($300–$1,000) offer better speed, reliability, and materials support for enthusiasts and small businesses — the Bambu P2S and Prusa MK4S fall here. Professional printers ($1,000+) are built for demanding use: enclosed, high-speed, multi-material capable — the Bambu X1C and H2S are in this tier.

Motion describes how the printer moves the print head and bed. CoreXY printers move the print head in both X and Y directions while the bed only moves in Z (up and down). This allows very high print speeds with less vibration — Bambu printers are CoreXY and can reach 500+ mm/s. Bed slinger (Cartesian) printers move the entire bed back and forth in Y while the head moves in X. They are simpler and cheaper but limited in speed because the moving bed creates vibration at high velocities.

Build volume is the maximum size of object you can print, measured as Width × Depth × Height in millimetres. A 256×256×256 mm build volume means objects up to 256 mm in any dimension can be printed. Larger build volume means bigger possible prints, but also a larger and often more expensive printer.

Max speed is the fastest the print head can travel, in millimetres per second. Modern CoreXY printers like Bambu's P-series and X1C are rated at 500 mm/s. However, maximum speed is not the same as typical print speed — real-world prints usually run at 150–300 mm/s for good quality. Higher maximum speed does give more headroom for fast draft prints.

A multicolor printer can switch between different filament colours or materials within a single print. The number of slots indicates how many filaments can be loaded at once — a 4-slot system means up to 4 colours per print. Bambu uses the AMS (Automatic Material System) and Prusa uses the MMU3. These are single-nozzle systems that switch filaments mid-print, producing a small amount of waste (purge tower) at each colour change. Not to be confused with dual extrusion, which uses two separate nozzles.

An enclosure is a set of walls and a top panel that surrounds the print area. Enclosures trap heat, maintain a stable temperature inside the chamber, and block drafts. This is essential for printing engineering materials like ABS, ASA, PA (Nylon), and PC (Polycarbonate), which warp badly if they cool unevenly. For PLA and PETG, an enclosure is not required but can help consistency. Bambu's X1C and H2S are enclosed; the P2S and A1 are not.

Auto calibration means the printer can automatically measure and compensate for any unevenness in the print bed before starting a print — a process called bed levelling. All modern printers have some form of this. High-end implementations (like Bambu) also calibrate vibration compensation, flow rate, and first layer height automatically. The quality and extent of auto calibration is a key differentiator between entry and prosumer printers.

Open source means the printer's hardware designs, firmware, and software are publicly available for anyone to study, modify, and redistribute. Prusa printers are fully open source — schematics are on GitHub and the firmware is community-modifiable. This means Prusa printers can be repaired and updated by the community indefinitely, regardless of what the company does. Bambu printers are closed source — you are dependent on Bambu for firmware updates, cloud services, and official support.

PLA is the easiest to print and works on any FDM printer — good for prototypes and display models. PETG is slightly more heat-resistant and flexible, still easy to print. TPU is a flexible rubber-like filament, used for grips, gaskets, and wearables. ABS and ASA are engineering plastics with high temperature resistance — ABS is standard, ASA is UV-resistant for outdoor use; both require an enclosed printer. PA (Nylon) is strong and flexible but absorbs moisture. PC (Polycarbonate) is the toughest common filament, requiring very high temperatures and an enclosure.

No. 3D Printer Radar is independently operated and not affiliated with Bambu Lab, Prusa Research, Creality, Anycubic, Elegoo, or any other manufacturer. Some links may be affiliate links — we earn a small commission if you purchase through them, at no cost to you. This does not influence our editorial recommendations.

We review and update printer data when new models are announced or released, when upgrade kits are launched, when significant firmware changes are made, and before major sale events. The last update date is shown on each printer page.

Bambu has a reasonable track record of firmware support for 2-3 years post-launch. However, their cloud-dependent features (remote monitoring, AI failure detection, Bambu Handy app) are subject to service availability. Prusa printers, being open source, can be updated and maintained by the community indefinitely regardless of what the company does.