Melted down Beemers rebirthed as scope parts......love it.
I've been using this for weird and wonderful jobs, light and super-rigid, and takes t bolts for fixing gear. I grind the top lip off the lower quadrant shoulder in the clamping range. @ $22.00 metre, gets you a lot of jobs done. Surprising how handy it is. Available from any of the websites dealing with the "homestyle" cnc machines/engravers etc. 40 x 40, also 40x80 if you want extra height for your accessory.
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