I have an STL file, and I need to make a part that exactly fits over a protrusion on the part defined by the STL file. Any idea how to measure the width, height, etc... of that protrusion?

There are a LOT of asked and answered question in the google+ group. When it goes bye bye April 2 (and they are fools to drop it), will all that be lost or has someone at least downloaded it? I understand presenting the data may be difficult, but if it's downloaded we might find a way in the future.

The Wayback machine CAN archive it, but so far it isn't working as far as I can tell. A separate group is working on that:
https://www.reddit.com/r/plexodus/comments/az285j/saving_of_public_google_content_at_the_internet/

I HAVE made the request for them to save the OpenJSCommunity to the Wayback archive. That doesn't really seem to have worked very well. E.g. the comments on a post are not expandable.
https://web.archive.org/web/20190320185208/https://plus.google.com/communities/114958480887231067224/stream/b799f5c4-b9bd-40ac-a7e9-5eeb49c99a6f

Anyway, I'ma be really sad when I can't search for an answer to a question and have to instead re-ask it here.