Laminae
- Annulus
- Arbelos
- Cundy and Rollett's Egg
- Diamond
- Disk
- Filled Polygon
- Gerver Sofa
- Hammersley Sofa
- Lamina
- Lens
- Lune
- Mohammed Sign
- Moss's Egg
- Moving Sofa Constant
- Moving Sofa Problem
- Polygon
- Polygonal Lamina
- Rectellipse
- Reuleaux Polygon
- Reuleaux Triangle
- Rounded Rectangle
- Salinon
- Squircle
- Stadium
- Thom's Eggs
- Vesica Piscis