Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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3DPEA
✓ verifiedFree
Free online tool that converts PNG images into 3D-printable STL models, part of 3DPEA's wider file-conversion suite.
174K visits/mo
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Cascadeur
✓ verifiedFreemium
3D keyframe animation tool with AI posing and physics; strong for game and character work, with free, indie and pro licenses.
225K visits/mo2.7K saves
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Marble by World Labs
✓ verifiedPaid
AI tool for generating and exploring high-fidelity, editable 3D worlds from prompts, sold via prepaid credit packages.
150K visits/mo1.3K saves
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Fast3D
✓ verifiedFreemium
AI generator turning text or images into 3D models in seconds, with PBR textures and formats for games, AR/VR and 3D printing.
225K visits/mo4.3K saves
Pricing
No public pricing
No public pricing
Free trial available
Package A: $5 (5,000 credits)
Package B: $20 (22,000 credits)
Package C: $50 (63,000 credits)
Free: $0 (300 credits/mo)
Pro: $10/mo (10000 credits/mo)
Max: $20/mo (30000 credits/mo)
Core features
- ✦PNG-to-STL conversion via pixel height mapping
- ✦Standard and extrude (with color) conversion modes
- ✦Controls for size, resolution, border and thickness
- ✦Color merging, smoothing and transparency handling
- ✦Supports many other image and 3D format conversions
- ✦No file storage; runs in the browser on any OS
- ✦AI AutoPosing for faster natural poses
- ✦AutoPhysics for realistic motion
- ✦Quick rigging and standard-skeleton support
- ✦Animation unbaking to make baked clips editable
- ✦Video motion capture and secondary motion
- ✦FBX/DAE/USD compatibility
- ✦AI-generated 3D world creation
- ✦World editing tools
- ✦Credit-based usage packages
- ✦Sharing generated worlds
- ✦Text-to-3D and image-to-3D generation
- ✦Roughly 10-second generation
- ✦PBR material and texture synthesis
- ✦Exports GLB, FBX, OBJ and STL
- ✦Adjustable mesh density and quality
- ✦Credit-based usage
Use cases
- →Turning logos or images into 3D-printable models
- →Creating custom reliefs and lithophane-style prints
- →Prototyping simple 3D objects from 2D artwork
- →Converting between assorted image and 3D formats
- →Animate game and film characters
- →Clean up and edit motion-capture data
- →Retarget animations between characters
- →Generating 3D environments for creative or game projects
- →Prototyping virtual scenes without manual 3D modeling
- →Sharing AI-generated worlds with others
- →Generating 3D assets for games
- →Creating models for 3D printing
- →AR/VR and metaverse content
- →Product design prototyping
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