Shells W Widening 03 of 12
King
scallop
Pecten maximus
A clam is the extreme case: the curve widens so fast that one valve is a seventh of a turn.
- W widening
- 10¹⁴
- D distance
- 0
- T travel
- 0.02
- S shape
- round
- turns
- 0.1
The settings our model uses to draw it, tuned by eye against photographs.
The real shell · up to 21 cm
The concentric lines are its growth history.
It has 30 to 36 eyes along the edge of its mantle and swims by clapping its valves.
- Lives
- All round Britain and Ireland, offshore to 100 m
- In the exhibition
- Room 2, Four numbers: one of three shells for W, how fast it widens.