It was a very tight fit (nothing a touch of sanding couldn't fix if I wanted to), but it fit and worked well. No melting as I had feared. Here's a link to the file I used.
https://www.thingiverse.com/thing:560694

Printers vary in the accuracy of their printing and there's a variation in shrinking among filaments. I got lucky and mine worked on the first try. I've been less lucky using black PLA when fabricating camera and telescope adapters.