Georgia O’Keeffe, Pablo Picasso and Aino-Maija Metsola’s works show the two-dimensional mathematical geometric and fluid organic shapes that can be used in Art and Design. A positive shape has ...

Choices of colour and the relationships between colours have a huge influence on how a piece or art or design ... shapes represent solid objects and negative shapes show the surrounding space ...

Geometry for Beginners. By G. M. Minchin Pp. xii + 102. (Oxford: at the Clarendon Press, 1898.) Euclid's Elements of Geometry, Books I. and II. Edited for the use of Schools, by Charles Smith ...