This is very crude and quick I just drew something that would give you an idea in matrix.
I figured I read enough about the failures and accomplishments I thought I could just go with the flow and print one right off.
I spent a good part of Friday just focusing the print in 50. Figured if I am going to start printing now I might as well start where I want to be. Using cherry red alone. guess I need to get a bottle of the other and do the 1:1 mix I have yet to get anymore than the base and some supports up to about .5 mm high much like others are running into. I swear the z is not moving up. seems like the vat just moves back and forth.
anyways here is what I am perusing later as a downward pressure for the build table it is a quick crude matrix model on a picture of a table. but you get the idea. have one on each side using two fingers to just move levers towards the center thus putting down pressure on the table evenly in the center and the cantilever on the bottom is opposite each other so you just need two fingers then tighten screws, going to change those to thumb screws as well.
I am using the brand new vat that came with the unasssembled machine I have only removed the vat 3 times and already there are cracks that formed on the ends where the screws go to batten it down. I only tightened them very lightly enough to hold in place no more but what I noticed is I was putting downward pressure on the table to make sure it is flat that I could see the vat flexing down to the surface of the plate it is on as it is not exactly flat. there is inconsistency in either the plate it sets on or the vat itself is slightly warped. the vat came to me with the PDM already on it. I haven't exposed it to any undo heat but I would think after reading the fast curing in ovens that this too would affect the plastic and warp it as well.