Pleasant Geometric Surprises

I'm working on version 11 of Gliftex (a Windows pattern and image maker), and sometimes, after all the thinking and geometry and programming nice experimental images pop up:

This image, and the ones which follow, all look a bit like colorful mosaics...



It makes the sines and cosines and intersections and tangents and for loops and matrices and vectors all seem worth while! 

One last surprise:


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