Outch, sorry for the one year later answer ... (The forum doesn't notify me when new answers are published ?)

@rich o brien said:

Would you like it added to our repository?

Why not πŸ˜‰

@tig said:

You will get a lot of coding AND woodworking help here...

Nice, I have a code question πŸ˜‰. Do you know if it is possible to use the ComponentInstance.volume method with correct volume computation by using entity tree of transformations ?