I made one out of door-skin / thin finishing plywood using a jigsaw. It seriously took less than an hour of effort and it's been working perfectly for years.?
It's for the light weight tripod, but I'm sure you could make one for the heavy weight one. The trick would be mounting it, and being OK with having to fiddle with it to close the legs. I leave my tripod open.?
Alternatively you might be able to adapt this 3d model and print it to fit your NUC.?
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jamie.amendolagine@...