Shells S Shape 11 of 12
Tent
olive
Oliva porphyria
A long oval opening and a short spire make the olive's smooth cylinder.
- W widening
- 1.6
- D distance
- 0
- T travel
- 0.9
- S shape
- tall slit
- turns
- 9.2
The settings our model uses to draw it, tuned by eye against photographs.
The real shell · 30–135 mm
Its tents are studied as a Turing pattern.
Flesh-coloured with crowded chestnut lines.
- Lives
- Gulf of California to northern Peru
- In the exhibition
- Room 2, Four numbers: one of three shells for S, the shape of the opening.