When I do a boolean of two bodies like in the attached example it seems like I am not able to get to the sketch of the removed body, also its origin and the transform gizmo are always invisible... Or am I not understanding this?
OS: Windows 10
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.12697 (Git)
Build type: Release
Branch: master
Hash: 8bbcfd6dce297917f39452392dc9e5722f95d7cb
Python version: 2.7.8
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.1.0
Locale: Slovenian/Slovenia (sl_SI)
That is because the corresponding body is invisible and can't be made visible. There was already a short discussion about changing the behaviour and make a Sketch inside Sketcher always visible. It wasn't necessary there, since there was the simple workaround to make the body temporarily visible, but here it is different.
If you only want to change the values of existing constraints you can do so in the data tab, but that's not really what sketcher is all about. In your case that's not an option because there are no constraints.
Installed part-o-magic and can edit and view the model.
There is a small issue concerning icon paths, I get the warnings: Cannot find icon: :/icons/PartOMagic_Instance.svg
Cannot find icon: :/icons/PartOMagic_ListUsages.svg
Ok, the solution (proper default workflow) actually seems to be to select the boolean in the tree and in view property, set the "display" from "result" to "tools"... a bit more clicking then someone might want (like most of the time in FreeCAD ) but actually quite nice
