Hello, I'd like to extrude a 2D shape along a path to make the following 3D shape: Bridge with curved ends Does anyone know if it's possible to do that in OpenSCAD? Or if not then is there alternative free 3D software that will do the same thing (extruding along an arbitrary path)? The reason I want to make it by extruding is that the way I've done it at the moment is really ugly and does not work properly so I have to bodge it. Extruding will make it simpler. Will https://reprap.org/forum/read.php?80,208485,208485#msg-208485 Wed, 14 Oct 2026 03:24:07 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?80,208485,213734#msg-213734 https://reprap.org/forum/read.php?80,208485,213734#msg-213734 NormandC 3D Design tools Thu, 30 May 2013 17:55:38 -0400 https://reprap.org/forum/read.php?80,208485,213560#msg-213560 https://reprap.org/forum/read.php?80,208485,213560#msg-213560
Ben]]> plexer 3D Design tools Thu, 30 May 2013 06:19:13 -0400 https://reprap.org/forum/read.php?80,208485,213484#msg-213484 https://reprap.org/forum/read.php?80,208485,213484#msg-213484 NormandC 3D Design tools Wed, 29 May 2013 22:30:27 -0400 https://reprap.org/forum/read.php?80,208485,213201#msg-213201 https://reprap.org/forum/read.php?80,208485,213201#msg-213201
Ben]]> plexer 3D Design tools Wed, 29 May 2013 05:52:41 -0400 https://reprap.org/forum/read.php?80,208485,208599#msg-208599 https://reprap.org/forum/read.php?80,208485,208599#msg-208599 -------------------------------------------------------
Or if not then is there alternative free
> 3D software that will do the same thing (extruding
> along an arbitrary path)?
>
> Will

FreeCAD [www.freecadweb.org]

If you need help with the learning curve http://sourceforge.net/apps/phpbb/free-cad/viewforum.php?f=3&sid=d306e44b6d89c4a52d76d51a116b730c

From memory you create your 2d path in sketcher workbench. Create your path as a wire and then use sweep in the Part workbench. Its been covered in the forum in the past.]]> KeithSloan 3D Design tools Tue, 14 May 2013 11:42:14 -0400 https://reprap.org/forum/read.php?80,208485,208588#msg-208588 https://reprap.org/forum/read.php?80,208485,208588#msg-208588 -------------------------------------------------------
> Most 3d modeling programs should be able to do
> that. They call it sweep or loft.
> Autodesk'sInventor and 123d Design can do it


It's called a sweep. A loft is blending between multiple 2D sketches (like an air duct transitioning from a rectangular cross-section to a circular cross-section).]]> PvtDBJackson 3D Design tools Tue, 14 May 2013 11:17:18 -0400 https://reprap.org/forum/read.php?80,208485,208494#msg-208494 https://reprap.org/forum/read.php?80,208485,208494#msg-208494 lotw 3D Design tools Tue, 14 May 2013 06:14:06 -0400 https://reprap.org/forum/read.php?80,208485,208485#msg-208485 https://reprap.org/forum/read.php?80,208485,208485#msg-208485
I'd like to extrude a 2D shape along a path to make the following 3D shape:

Bridge with curved ends

Does anyone know if it's possible to do that in OpenSCAD? Or if not then is there alternative free 3D software that will do the same thing (extruding along an arbitrary path)?

The reason I want to make it by extruding is that the way I've done it at the moment is really ugly and does not work properly so I have to bodge it. Extruding will make it simpler.

Will]]> WillStevens 3D Design tools Tue, 14 May 2013 04:46:23 -0400