🖨 3D Printer Radar

Prusa Research Mini+vsQidi Tech Max4

Cross-ecosystem comparison: These printers use different software ecosystems. Accessories, filament profiles, and community support are not interchangeable between brands. Consider the total ecosystem cost, not just the printer price.
Prusa Research Mini+
Buy/Wait:Wait

Late in cycle — a new model is likely coming soon

Best for: Beginners who prioritize open-source hardware, community support, and long-term reliability over speed — and don't mind a slower, more deliberate printing experience.

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Qidi Tech Max4
Buy/Wait:Buy

First-generation product — recently released, still early days

Best for: Professional makers and small studios who need the maximum enclosed build volume in Qidi's lineup for large engineering parts, architectural models, or batch production — at a price point below the Bambu H2S.

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Prusa Research Mini+Qidi Tech Max4
TierEntryProfessional
MotionBedSlingerCoreXY
Build Volume180 × 180 × 180 mm390 × 390 × 340 mm
Max Speed200 mm/s800 mm/s
Multicolor❌ No✅ 4 slots
Enclosure
Auto Calibration
Open Source
Upgrade Kit
ReleasedApr 25, 2021Dec 1, 2025
Cycle length~730 days
Cycle adviceWaitBuy
Deals adviceBuyCaution
Next modelPrusa Mini 2 (Expected 2027 or later)

Materials

Prusa Research Mini+ only
Both
PLAEasy to print, no enclosure needed — everyday parts
PETGTougher, slightly flexible, moisture-resistant
ASAUV-stable ABS alternative — outdoor parts, needs enclosure
TPUFlexible rubber-like — phone cases, gaskets, wheels
Qidi Tech Max4 only
ABSHeat and impact resistant — needs enclosure
PANylon — strong and wear-resistant, needs dry storage
PA-CFCarbon-fibre nylon — very stiff, abrasive to standard nozzles
PCPolycarbonate — extremely tough, challenging to print
PPS-CFExtreme temperature and chemical resistance

Why buy each?

Prusa Research Mini+

Proven reliability over 5+ years

The Mini+ has been on the market since 2021 and has proven its durability with thousands of community print-hours logged.

Fully open source and repairable

Prusa stocks replacement parts for all Mini+ components. Community guides cover every repair scenario.

Affordable Prusa entry point

The lowest-cost way to enter the Prusa ecosystem with a fully supported printer.

Qidi Tech Max4

390×390×340 mm — Qidi's largest build volume

The Max4 offers the largest build volume in Qidi's lineup — enabling large functional parts, architectural models, and production batch runs that exceed Plus4 capacity.

Closed-loop XY motion system

The Max4's closed-loop XY adds positional feedback for improved accuracy at high speeds — a differentiating feature at this price tier that reduces dimensional errors on large prints.

Active 65°C chamber heating at scale

Qidi's proven active chamber heating technology scaled to a 390×390 mm bed — critical for consistent ABS, ASA, PA-CF, and PPS-CF results across the full build plate.