Interval arithmetic recursive subdivision for implicit functions and constructive solid geometry
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Adaptively sampled distance fields: a general representation of shape for computer graphics
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With the rise of of desktop 3D printers, hackerspaces, and fab labs, more and more individuals are engaging in personal-scale digital fabrication. For historical reasons, fabrication workflows are often based on triangulated meshes. Meshes are easy to render, but cannot guarantee physical feasibility -- holes, zero-area faces, incorrect normals, and other flaws can make them nonsensical descriptions of physical objects.