Feature Request: Define custom Height Unit size
Right now we can define a Custom Height altogether, but for workflow reason i'd find it much more compelling to be able to define a custom Z or Unit height.
i.e. use increments of 10mm instead of 7mm.
Given current options, i'd put it somewhere in the zz Expert Only region.
The property you are looking for is HeightUnitValue, it's true that it is currently read only. For a workaround, you can execute FreeCAD.getDocument(<youre document name>).getObject(<your object name>).HeightUnitValue = 10. We allow for adjusting x and y size, so I see no reason why we shouldn't allow adjusting height. If you feel like it, you can find where is the property created in code and create a PR with the fix, should be a quick one liner.