More from Chalkdust
On the cover: Spirographs
Ashleigh Wilcox, Jenny Power and Rachel Evans show you how to draw pretty picturesIn conversation with Kat Phillips
Bethany Clarke and Ellen Jolley talk research, raids, and rugby with the Twitch streamerWhat’s hot and what’s not, Issue 17
Fashion is fleeting, Chalkdust regulars are not.How to make: Ecki the polytope
Make your own EckiSylvester’s convex hull problem in R
What is the probability that d+2 random points in d-dimensional space form a convex body? Investigating an old problem using modern methods.Dear Dirichlet Christmas special
Agony uncle Professor Dirichlet answers your personal problems this Christmastime.