So I have further developed a stainless steel rimless concept frame.
No glue, no parts to cut.
Super easy to assemble and un-assemble, as required.
No compression.
Solid mechanical assembly.
No parts protrude from lens front surface, so easy to clean or adapt a clip on.

I am at the advanced prototype stage and getting ready to actually produce some of these things.

https://youtu.be/1dxc7yC4VGs