Summary

I wanted this to wall mount a retired frame. Putting a block in the rear linkage doesn't do my trusty steed justice, so modelled a shock.
It prints in 3 parts, shaft, main chamber, and piggyback reservoir. The reservoir attaches with a M4x40 bolt.
I drew this as a 205x60, although there is clearance to adjust the shaft depth to accommodate other frames.

Hope this helps somebody.