This MC "Symploreel" came to me with it's bones exposed.
![](https://images.orcaonline.org/u/24619/medium/20191223_210908r%20%283%29.jpg)
![](https://images.orcaonline.org/u/24619/medium/20191223_210958r%20%284%29.jpg)
Pressed a mold, mounted the ring in the mold and slathered in some JB Weld fender filler to cast one side.
![](https://images.orcaonline.org/u/24619/medium/20200110_111807r.jpg)
![](https://images.orcaonline.org/u/24619/medium/20200107_134510r.jpg)
![](https://images.orcaonline.org/u/24619/medium/20200107_192703r%20%281%29.jpg)
![](https://images.orcaonline.org/u/24619/medium/20200109_170005r.jpg)
Reversed the process, cast the other side and filled the hole in the back plate
![](https://images.orcaonline.org/u/24619/medium/20200110_111723r.jpg)
![](https://images.orcaonline.org/u/24619/medium/20200111_072747r.jpg)
Then filling, shaping and polishing to end up with a reasonable, functional repair.
![](https://images.orcaonline.org/u/24619/medium/20200116_185347r.jpg)
![](https://images.orcaonline.org/u/24619/medium/20200116_185748r.jpg)
![](https://images.orcaonline.org/u/24619/medium/20200116_185952r.jpg)