White Strong & Flexible: White nylon plastic with a matte finish and slight grainy feel.
About this Product
This is a model of the woodcut picture made by M.C. Escher in 1965 called 'Knots". It has since then been a challenge for 3d modelers and mathematicians. As far as I know it has not been modeled in 3d up till now. (It has! see comments).