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