Jetbeam TC-R1 MCPCB dimensions

This post links to the two alternate reflectors. There is an update somewhere about which reflector someone tried and like better, but I don't have that link saved.

This thread in general had a bunch of helpful posts and knowledge in it. This one may have useful info as well, or links to it. I think I remember one or two other threads I'd been watching, but I don't have links.