Best free TRELLIS (Microsoft) alternatives

Looking for a free alternative to TRELLIS (Microsoft)? Here are 9 3d & cad generation worth trying — 9 with a free tier. TRELLIS (Microsoft) itself is free.

ToolTRELLIS (Microsoft) (you searched)Hunyuan3D-2 (Tencent)MeshyTripo
Pricingfreefreefreemiumfreemium
Best forOpen-weight model outputting radiance fields, 3D Gaussians AND meshes from one representationOpen-weight two-stage shape generation + high-res texture synthesis pipelineText/image/sketch-to-3D with auto-texturing and auto-rigging6.5M+ creators, 100M+ models generated claimed traction
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TRELLIS (Microsoft) alternatives — straight answers

What is the best free alternative to TRELLIS (Microsoft)?

Hunyuan3D-2 (Tencent) is the closest free alternative to TRELLIS (Microsoft): same 3D & CAD Generation sub-category, and it is free. Open-weight two-stage shape generation + high-res texture synthesis pipeline

Are there free TRELLIS (Microsoft) alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Hunyuan3D-2 (Tencent), Meshy, Tripo, Rodin (Hyper3D), Sloyd. None of them are paid-only.

Is TRELLIS (Microsoft) free?

TRELLIS (Microsoft) is free. There is no paid plan attached to it in the catalog.

How were these TRELLIS (Microsoft) alternatives chosen?

They are the other tools in 3D & CAD Generation, then the rest of Content & Media Generation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All TRELLIS (Microsoft) alternatives

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Hunyuan3D-2 (Tencent)

3D & CAD Generation
free

✦ WhyA TRELLIS (Microsoft) alternative — Open-weight two-stage shape generation + high-res texture synthesis pipeline.

  • Open-weight two-stage shape generation + high-res texture synthesis pipeline
  • State-of-the-art open 3D generation from Tencent Hunyuan lab
  • Runs locally via Diffusers/ComfyUI integrations

Meshy

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — Text/image/sketch-to-3D with auto-texturing and auto-rigging.

  • Text/image/sketch-to-3D with auto-texturing and auto-rigging
  • Blender/Unity plugins for game pipelines
  • 100 free credits/month with CC BY 4.0 output

Tripo

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — 6.5M+ creators, 100M+ models generated claimed traction.

  • 6.5M+ creators, 100M+ models generated claimed traction
  • Auto-rigging, segmentation and stylization
  • Plugins for Blender, Unity, Unreal, ComfyUI, Godot

Rodin (Hyper3D)

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — ControlNet-style guidance via bounding boxes, voxels, point clouds.

  • ControlNet-style guidance via bounding boxes, voxels, point clouds
  • Part-level editing and region refinement of generated meshes
  • Exports GLB, FBX, OBJ, STL, USDZ

Sloyd

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — Guest plan: 1 free AI 3D generation daily, in-browser.

  • Guest plan: 1 free AI 3D generation daily, in-browser
  • Parametric/template-based generation, not just diffusion
  • Skybox, retexturing and video-to-motion on paid tiers

Spline AI

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — 3D generation inside a full web-based 3D/interactive design editor.

  • 3D generation inside a full web-based 3D/interactive design editor
  • Publishes directly to web, iOS and Android
  • Image-to-3D remix and variant generation

Zoo (KittyCAD)

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — Zookeeper: conversational AI agent that edits real parametric B-rep CAD geometry, not meshes.

  • Zookeeper: conversational AI agent that edits real parametric B-rep CAD geometry, not meshes
  • Manufacturing-aware design feedback
  • ITAR-compliant, SOC 2 Type II enterprise CAD

Polycam

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — LiDAR + photogrammetry reality capture on iOS/Android, not generative-only.

  • LiDAR + photogrammetry reality capture on iOS/Android, not generative-only
  • Gaussian splat and floor-plan generation
  • Free AI 3D model generator, texture generator, and viewer tools

World Labs Marble

3D & CAD Generation
freemium

✦ WhyA TRELLIS (Microsoft) alternative — Generates fully navigable 3D worlds (not single objects) as Gaussian splats, viewable in VR.

  • Generates fully navigable 3D worlds (not single objects) as Gaussian splats, viewable in VR
  • World API (Jan 2026) for programmatic world embedding in apps
  • Free tier: 4 world generations/month, no credit card

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