Problematic Poinciana

@paulmatth , where can I find this “Tetrahedral Color Warping (HSL) module”. Which version of “Art” is this module in? Where can I find documentation?

Edit:
Paul answered my question (thank you), see below. Also I found a topic about this on this forum:

https://discuss.pixls.us/t/new-feature-support-for-ctl-scripts