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physical / Human–computer interaction / Fabrication

SketchFold

From a pen stroke to folded metal. A computational interface for turning sketches into curved-fold geometries.

Aalto SketchFold concept image showing folded metal artefacts
Aalto SketchFold concept image showing folded metal artefacts

About the project

SketchFold connects the immediacy of drawing on paper to digital simulation and fabrication. A colour-based drawing language identifies boundaries, mountain folds and valley folds; a computational pipeline reconstructs the drawing as geometry.

Developed by Kane Borg and Sami Markkula as part of Aalto University’s art-ai-fact initiative, the project links sketch interpretation with curved-fold simulation and the STILFOLD fabrication workflow. Prototypes explore paper, cardboard, aluminium and steel.

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