Research behind the tool
Turning a picture into something a machine can make is a hard problem. It requires semantic understanding and the creation of geometry that can be converted to a stitch pattern. Some of our research at ETH Zurich has been dedicated to this specific problem.
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SIGGRAPH 2026
Turning an image into a triangulation that makes sense, with no self-intersections, so it can be fabricated.
Gradient Descent in the ALPS: Abstracted Low-Poly Stylization and Fabrication
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Computer Graphics Forum 2026
Redrawing a picture as one continuous line, which is what a running stitch is.
Single Line Drawing Generation via Semantics-Driven Optimization
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SIGGRAPH Asia 2024
Reducing an image to a small grid and a handful of colours, for cross-stitch.
SD-πXL: Generating Low-Resolution Quantized Imagery via Score Distillation
None of this is inside Boldbobbin yet. It is the direction the software is heading, and it will make its way in progressively.
Boldbobbin GmbH is formally recognised by ETH Zurich as one of its spin-off companies.