Lathe chuck nut mounting tool

If you own a mini lathe, you know immediately what this is for.
For all others: The "mini-lathe" type machines have the chuck attached via a number of threaded studs that go through the spindle and are held by M6 nuts. Unfortunately, there is little space between the spindle and the headstock housing, so mounting these nuts can be rather fiddly.
Conveniently, Alibre Design just added a gear generator function to the script module so in order to try this out, I made this mounting tool. You ins