Just watched this:
it’s a crazy python script for Cinema 4D that allows you to unfold polygons with ease. Such a handy script and all for free!
I got excited and spent the day translating it with Google translate from German to English.
Download the ENG version here. It includes the latest ALIGN-POLY_1.05 code, apparently the v1.04 version of the align_POLY script had problems with triangles.
be sure to check out Joren Kandel’s quick tutorial here too!