Hi3D explained.
Hi3D — renamed from Hitem3D in 2026 — is the detail specialist. Built on the Sparc3D and Ultra3D research models, it reconstructs at 1536³ resolution and takes multiple photos of the same object to resolve geometry a single image leaves ambiguous. If your bar is raw surface fidelity from photographs, it is a serious tool.
What it does well, and where it stops.
- The highest geometric resolution in this list — 1536³ reconstruction
- True multi-view reconstruction, not single-image guessing
- Grounded in published research (Sparc3D, Ultra3D) rather than a black box
- Well suited to scan-like capture of real objects
- No text-to-3D at all — you need photographs
- Detail is not the same as usable topology; dense meshes still need retopology
- No render studio, worlds, converters or texturing pipeline
- Renaming from Hitem3D to Hi3D makes older reviews and tutorials hard to match up
When resolution is the right thing to optimise
Detail matters when the model has to stand in for a real object — replica parts, product visualisation, cultural heritage, anything a viewer will compare against the original. It matters much less when you are inventing something that has never existed, where a prompt beats a photo shoot and a clean 18K quad mesh beats a dense high-resolution one. Hi3D is built for the first job. Sculpty's engines, and Rodin Gen-2.5 in particular, are built for the second.
Hi3D vs Sculpty.
| Feature |  Sculpty | Hi3D |
|---|---|---|
| Text to 3D | ✓ | — |
| Image to 3D | ✓ | ✓ |
| Multi-view to 3D | ✓ | ✓ |
| Multiple AI engines | ✓ | — |
| PBR textures | ✓ | ◐ |
| AI retexturing | ✓ | — |
| Remesh / retopology | ✓ | ◐ |
| Photoreal render studio | ✓ | — |
| Explorable 3D worlds | ✓ | — |
| GLB, STL, OBJ export | ✓ | ✓ |
| Free format converters | ✓ | — |
| Browser 3D viewer | ✓ | ◐ |
| Order a 3D print | ✓ | ◐ |
| Public API | — | ◐ |
| Auto-rigging / animation | — | — |
| Free plan or trial | ✓ | ✓ |
- Text to 3D — Image-driven by design — there is no text prompt path.
- Order a 3D print — The product leans toward manufacturing and fulfilment, but ordering is not a one-click step inside it.
What each one costs.
Hi3D does not publish a self-serve price. Sculpty's plans as of 2026-07-26.
Hi3D, answered.
Is Hi3D the same as Hitem3D?+
Yes — Hitem3D was renamed Hi3D in 2026. It is the same product from Math Magic, built on the Sparc3D and Ultra3D models.
Can Hi3D generate from a text prompt?+
No. It reconstructs from photographs, one or several. For text-to-3D you need a generator such as Meshy, Tripo, Rodin or Hunyuan3D — Sculpty runs all four.
Related pages.
Hi3D facts checked on 2026-07-26.
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