Thanks for the help. It works out of the body, and inside. And it works good without sketch editing. As I understand, sketch must be in the start of the sweep profile, but not in absolute coordinates. I mean, if I profile starts in x and y in root of project, sketch must be moved to x and y inside b...

Sure!
This is a copy of my straight H-rotor, that I try to modify to helicoidal. "Blade" body.

OS: Ubuntu 18.04 LTS Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0.17.13522 (Git) Build type: None Branch: releases/FreeCAD-0-17 Hash: 3bb5ff4e70c0c526f2d9dd69b1004155b2f527f2 Python version: 2.7.15rc1 Qt version: 4.8.7 Coin version: 4.0.0a OCC version: 7.2.0 Locale: English/United...

Try Part 2D Offset, available in FC v0.17 (in development). You should get one compiled against OCC 7.0.0 or up, where 2d offset functionality was vastly improved compared to 6.8.0 Thanks a lot. Self-compiled version become totaly unstable, and stable become unstable to :) But after clean install o...

That what I find, but have no idea, how to fix my problem. we had the problem with netgen nglib trying to link against FWOSPlugin. OCCT 7.0 deprecated the plugin and OCCT7.1 removed it so tyring link against it fails. Here is the [required change] (https://github.com/FreeCAD/homebrew-freecad/commit/...

Hello! Can someone help me? Error in installation by this script, "cmake" for netgen runs well, but when it goes to "make", it gives this make all-recursive make[1]: Entering directory '/home/username/Documents/build_FreeCAD/netgen/Netgen/netgen-5.3.1' Making all in libsrc make[2...

Hello. I'm trying to model hypocycloid reductor, this is manual in Blender https://www.youtube.com/watch?v=SWIx3GgqrAg Parametric curve generated with macro, and needs offset inside (inset?), like this Equation calculator http://otvinta.com/cycloid.html Screenshot from 2017-02-12 20-51-55.png But of...