Hmmm, i don’t think this should be on a cloth background, mounted as i usually do on a stretched frame.
I made a start on the background, and i do like it, but i think any colour choice here fights with the shape, but even more with the intent, so, no “background”!
I looked online for mat boards, and wouldn’t you know it, it’s an odd size for conventional mats. I’ll have to now learn to cut my own framing mats, because i really think this would set it off better.
The white background is a bit too stark, so maybe a pale sepia tone would be better:
Or really dark?
I’ve started working with other pieces too, trying different configurations. These may not be the “final” diamonds i use, but the fragment idea is still strong: