This is a remix of - https://www.thingiverse.com/thing:5131720
I saw this, thought it was great, but my alignment stick was to thich ( 7 mm ).
So i looked at this object and designed a copy to work with the 7 mm alignment stick, not as fancy as the original but fits the stick in my case ( also fits in the R10 box )
The author hasn't provided the model origin yet.