This adapter lets you use the UMR‑85N refill in your Lamy Safari Rollerball. UMR-85N instead of the M63F
Extends the refill from a Uniball Signo 207 about 4mm to fit the Lamy Safari Rollerball. The front spacer is optional. The fitment is a little off as I was eyeballing it.
I used PLA
The author marked this model as their own original creation.