An example of a checkerboard-style coloured doodle
More from Chalkdust
Who is the best England manager?
Paddy Moore levels the score
Top Ten: issues of Chalkdust
The definitive chart of the best issues of Chalkdust
Crossnumber winners, Issue 05
Did you win?
Linear algebra… with diagrams
Rediscover linear algebra by playing with circuit diagrams
Advent puzzles I
Behind the second door of the advent calendar, there is a puzzle
How to make: Christmas Special
Making gingerbread Platonic solids, Fröbel stars and Christmas flexagons