Ben Nicholson OM, ‘1936 (white relief sculpture - version 1)’ 1936
Ben Nicholson OM
1936 (white relief sculpture - version 1) 1936
© Angela Verren Taunt 2021. All rights reserved, DACS
Edward Allington, ‘Ideal Standard Forms’ 1980
Edward Allington
Ideal Standard Forms 1980
© Edward Allington
Paule Vézelay, ‘Five Forms’ 1935
Paule Vézelay
Five Forms 1935
© The estate of Paule Vézelay

Plaster of Paris (calcium sulphate hemihydrate) is widely used by sculptors for moulds and preliminary casts.