With such a big PCB holder like the Octo+ PCB space can be tight. To save some, here is a TS100 soldering iron stand that clip on an alligator clip that's unsused.
To be used with:
Octo+ PCB Workstation by giufini: https://www.thingiverse.com/thing:2427726
TS100 Soldering iron Stand by bbzed: https://www.thingiverse.com/thing:2150796
OctoPCB-Alligator-TS100 : Standard, only compatible with the Alligator clip.
OctoPCB-Alligator-TS100-Stand-Compatible : Designed to work in conjuction with the stand for the TS100 so you can swap the head on the Octo+ PCB or the stock stand.