(2020-07-27, 5:53)Magnus Forsberg Wrote: Thanks,
Looking at the history graph here it is pretty clear that the hollow stud version is a modern day version.
https://rebrickable.com/parts/4209b/stri...part_usage
I made a version at the Part Tracker now. I wonder if there are any printed versions too.
... and 4209 has been '~Moved to' 4209a.
Chris (LDraw Parts Library Admin)

![[Image: 4209b.png]](https://www.ldraw.org/library/unofficial/images/parts/4209b.png)