Meschers: Geometry Processing of Impossible Objects
Impossible objects, geometric constructions that humans can perceive but that cannot exist in real life, have been a topic of intrigue in visual arts, perception, and graphics, yet no satisfying computer representation of such objects exists. Previous work embeds impossible objects in 3D, cutting them or twisting/bending them in the depth axis. Cutting an impossible object changes its local geometry at the cut, which can hamper downstream graphics applications, such as smoothing, while bending makes it difficult to relight the object. Both of these can invalidate geometry operations, such as distance computation. As an alternative, we introduce Meschers, meshes capable of representing imp...
| Authors | Ana Dodik, Isabella Yu, Kartik Chandra et al. |
|---|---|
| Primary category | cs.GR |
| Published | 14 May 2026 |
| Last updated at source | 14 May 2026 |
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