Reposting here, found this when a family member was looking for this insert for his bandsaw.
I think it was a shopsmith, based on previous print parts i have done for him.

Not my design, found in this forum:
https://forum.shopsmith.com/viewtopic.php?t=24816
https://drive.google.com/file/d/1fjnfBfkgZR5GDQEsxeV1in6Gi0t7L0XJ/view?usp=sharing