All righty. I got the power supply working perfectly, and I even got the DPDT switch working correctly. Now, however, I am backtracking a bit. Yes, this system is able to control the directions of the actuators, but it has no way of controlling the speed. In our application we have no use for a machine that pulls apart at 0.4 in/s. Nope. Therefore, I need to get my hands on another MultiMoto shield and get it working with an Arduino. That's all that's needed, man.
For the bulge test stuff, I talked with the machine shop and got a general feel for what they can and cannot do. My drawings have been in metric units, but they work entirely in imperial units. Darnnnn. After looking up pricing of parts, I understand why America is staying with imperial units instead of switching over with the rest of the world. Things are just cheaper! Therefore, I will modify my dimensions and part decisions to go with the cheaper options.
I feel confident that all of this will end up fine. Steady work, no rush.