Glass Coffee Table to Display Case Conversion Kit

I wanted to make a display case for some nice gaming dice I was getting and for my current collection. So I got a used coffee table that had a glass center with wood directly under the glass. What I did was create some supports to lower the wood and then some more supports to keep the glass 2.4" above the wood. For me, this was the max height I could drop the wood before it became visible when looking at the table from the sides. The supports are designed to handle 50 lb placed directly on the corners at 15% infill with PLA. I would not recommend going past 100lb even at 100% infill. Also be careful of the glass, mine can not handle that might weight placed in the center.

The screw holes are for #4 wood screws. There are 4 in each corner. I used the following formulas to determine my screw thread engagement. I assumed 0.65 for the specific gravity of my table. 1/2 penetration should be enough. maybe go 3/4 if using plywood or attaching parallel to the wood grain fibers.

F = 2850