Of cause projections themselves don't have to be restricted to the geometric planar case: https://github.com/shaunlebron/blinky https://github.com/shaunlebron/b

Of cause projections themselves don't have to be restricted to the geometric planar case: https://github.com/shaunlebron/blinky https://github.com/shaunlebron/blinky and don't miss the explanatory part further down: http://shaunlebron.github.io/visualizing-projections/ http://shaunlebron.github.io/visualizing-projections/