互为螺旋·天工匣Grid Portrait
Portrait to squint-to-see grid illusion disc: dark = thick ribs, bright = thin, solid rim. Exports STL/3MF; SVG wire map and squint preview are free.
1Upload an image or set a few parameters
2Preview live and fine-tune with sliders
3Export STL / 3MF and print
⇄ Input / output: Portrait → 3MF / STL (SVG & PNG free)
💳 Cost: Preview and free 2D formats as labeled above; STL/3MF export is free for members, costs 1 credit per export for non-members, and re-downloading the same model within 24h is free.
This tool is open for preview and tuning; exporting model files requires membership (free exports) or pay-per-export credits (1 credit = 1 export).
Open tool →
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AI Image-to-3D Tools
A curated collection of online AI image-to-3D tools. Upload a picture and try generating a 3D model.
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