Ptolemy

I combined two of my Spirograph contraptions to make an epicyclic drawing machine. Lots of animatable custom properties on the ptolemy empty, which - sometimes - lead to interesting curves.

Blend file included for who ever wants to experiment with it; animation nodes and b-tracer add-ons required.

ptolemy.blend (4.0 MB)

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I slightly modified my Ptolemy contraption to have adjustable (and animatable) arm positions, which adds a lot of extra curve possibilities. Blend file included; animation nodes and b-tracer add-ons required.

ptolemy2.blend (4.0 MB)