Welcome back to the forum. Your post is still flagged as "This post has NOT been accepted by the mailing list yet", so nobody gets it unless they look. You need to subscribe to the mailing list <http://forum.openscad.org/mailing_list/MailingListOptions.jtp?forum=1> , and CLICK THE LINK in the registration email (check your spam folder). I've quoted your post for others to see. gcb wrote > I try to use openscad for all my 'opensource' 3d parts. It's been a while > since i've been out of touch, and now i am trying to create something that > must change from a square to a circle. > > I found some examples using skin() on > https://github.com/openscad/list-comprehension-demos that might do the > trick. But trying to run them show that my version does not understand a > method used there "to_3d()". And searching for "openscad to_3d" is > extremely useless. I only get results for things like "turn this 2d > drawing to 3d" type of stuff. I can't even tell if that is a custom > (utils?) method or native. > > Anyway, i am trying to achieve something similar to > https://grabcad.com/tutorials/extruding-from-square-to-round but with a > controllable thickness skin. > > What's the best way to go about it? Any suggestions? ----- Admin - PM me if you need anything, or if I've done something stupid... Unless specifically shown otherwise above, my contribution is in the Public Domain; to the extent possible under law, I have waived all copyright and related or neighbouring rights to this work. Obviously inclusion of works of previous authors is not included in the above. The TPP is no simple “trade agreement.” Fight it! http://www.ourfairdeal.org/ time is running out! -- View this message in context: http://forum.openscad.org/skin-or-extrude-circle-to-square-tp21282p21283.html Sent from the OpenSCAD mailing list archive at Nabble.com.