copythat wrote: How much do you think the cart costs to make?
That would depend on the quality of the plywood, casters and other hardware (the latter depends on the type of clamping). It would probably take about one full sheet ($50?) and another $50 for casters and stuff. Maybe 30-60 minutes to cut on a full size machine and 2-3 hours hours to assemble. Pretty much every CNC cabinet shop could do that. As mentioned earlier, the simplest solution would be to package as an IKEA style flat pack and ship to customers for self-assembly.
copythat wrote: Are you going to sell your design plans?
I was not planning to sell the plans only (for now). I will be looking for a professional partner for production and marketing of this concept (let me know if there is somebody interested here) but need to do one more design iteration for the table surface and clamping system first. I will get rid of the vacuum holding (too complex and can be done easier) and increase the height adjustment range. Given other priorities, that may take a few weeks.