Which Script is used in this video?

 From:  pressure (PEER)
10951.2 In reply to 10951.1 
Hi Koi,

Maybe this is what you're looking for: http://kyticka.webzdarma.cz/3d/moi/#ReconstructCurve

EDIT:

Whoops, Pilou's right. I gave an outdated link.

EDITED: 15 Jan 2023 by PEER