Verdict
Head-to-head · Best Resin 3D Printers

HeyGears Ultracraft Reflex RS Turbo vs Uniformation GK3 Ultra

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Uniformation GK3 Ultra comes out ahead by a clear margin (4.7 vs 4.1). Uniformation GK3 Ultra is best for: Professionals needing precision and reliability. Read the strengths below before deciding.

HeyGears Ultracraft Reflex RS Turbo
Ranked #5 in Best Resin 3D Printers
HeyGears Ultracraft Reflex RS Turbo
2 sources$999as of Oct 10

The HeyGears Ultracraft Reflex RS Turbo is a production mSLA printer built around ease of use. The Blueprint software and pre-tuned profiles for HeyGears resins handle tuning for you, while an Open Material Mode allows compatible third-party resins with adjustable print settings. This printer is ideal for users seeking a plug-and-play solution but may not suit advanced users wanting full control over their printing process.

Strengths
  • — Blueprint slicer with pre-tuned profiles for HeyGears resins
  • — Automatic calibration and leveling eliminates user setup hassle
  • — Automatic platform alignment removes manual bed leveling
Watch-outs
  • — Pre-tuned profiles cover only HeyGears' own resins; third-party resins require Open Material Mode
Uniformation GK3 Ultra
Higher ratedRanked #2 in Best Resin 3D Printers
Uniformation GK3 Ultra
1 source$1,200as of Sep 25

TechRadar praised the Uniformation GK3 Ultra for its 16K resolution, heated build chamber, and auto-resin refill system, calling it a strong contender for professionals needing precision and reliability at scale. The reviewer noted its solid build quality and seamless workflow features, though acknowledged its high price point. YouTube reviewer emphasized the large print volume and 16K resolution but expressed skepticism about marketing claims around the K-number specifications. This printer is ideal for serious hobbyists and professionals seeking high-quality resin printing but may not suit budget-conscious users.

Strengths
  • — Superb 16K print quality with 15,120 x 6,230 XY resolution
  • — Large build volume of 300 x 160 x 300 mm
  • — Heated build chamber for improved resin temperature control
Watch-outs
  • — High price compared to the competition
  • — No remote monitoring capability

How they stack up

HeyGears Ultracraft Reflex RS Turbo

The HeyGears Ultracraft Reflex RS Turbo is built around pre-tuned profiles for HeyGears resins and automatic calibration, with third-party resins needing Open Material Mode. Its 222 x 122 x 228 mm build volume is close to the Anycubic Photon P1's 223 x 126 x 230 mm and smaller than the Uniformation GK3 Ultra's 300 x 160 x 300 mm. It costs more than the Photon P1.

Uniformation GK3 Ultra

The Uniformation GK3 Ultra has a 300 x 160 x 300 mm build volume, larger than the 222 x 122 x 228 mm of the HeyGears Ultracraft Reflex RS Turbo and the 223 x 126 x 230 mm of the Anycubic Photon P1. It has a heated build chamber, where the Elegoo Mars 5 Ultra has no chamber heating, and an auto resin refill system, which the Photon P1 lacks. It has no remote monitoring.

Specs side-by-side

SpecHeyGears Ultracraft Reflex RS TurboUniformation GK3 Ultra
Display Resolution10.3-inch 8K amber screen16K
Light Source405 nm WavelengthMasked SLA (M-SLA)
UV Wavelength405nm—
Weight20 kg30KG
Layer Height30-100 μm0.03mm-0.05mm
Build Volume222 x 122 x 228 mm300 x 160 x 300 mm
Pixel Size—15,120 x 6,230
Print Speed—2-3s/layer(0.05mm)
Dimensions—455*400*575(mm)
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