Periodic Spaces

One of my favorite SDF techniques is domain repetition : (def eye-center [35 82 62]) (def eyes (ball 39 | move eye-center | mirror x :r 10)) (def eye-angle [0 0 0]) (defn pupils [target] (def left-pupil (ball 15 | shade black | move [39 0 0] | align x target | move eye-center )) (def right-pupil (ball 15 | shade black | move [39 0 0] | align x target | move [-1 1 1 * eye-center] )) (union…