I am trying to run this enclosed openscad script in freecad 0.17 8046 (windows 10 x64) and it shows red explanation marks on the objects.

I am relatively new to FreeCAD so most likely I am doing something wrong.

is it possible to save a sketch as a DXF?

Thanks I was able to work around with the part designer's polar pattern

is there a way to make a radial copy in sketcher, I see there is an Array copy but I do not see a radial array copy

OS: Windows 10
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.8898 (Git)
Build type: Release
Branch: master
Hash: 025cf18714d5514ef89c871a7d7642a04062015b
Python version: 2.7.8
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.0.0

I have selected part in the tree and right clicked but there is no "Fit to Selection" am I missing something?

Nope I did not, is there a reason the parts disappear, is it a bug?

I would like it if you could right click on a file in the combo view and close the file.

As I am rotating and moving my parts they disappear from the screen and I can no longer see them.

It is almost like there is a window and if the parts move outside that window you can no longer see them.

I have an model of a shaft with teeth which I would like to create a collar to go around. Specifically the model is of a tower 9G servo and I want to create a gear fit the shaft of the servo. So I can create a sketch, but to create references for the cross section of the shaft it appears I have to g...