Over a year ago I had an idea to make Vacuum Slats for the S5 Pro:
And they took some time to get right but I finally have the finished system installed on my S5 Pro:
Each slat has its own ball valve so I can shut them off individually. Four of them then feed into a manifold that goes under my enclosure where the DIY vacuum system is:
The vacuum is one of these:
https://www.amazon.com/dp/B00JZF8QHA
with one of these gaskets:
There is room inside the vacuum enclosure for a second vacuum motor and I have already ordered one. The one motor is enough to keep a flat sheet of plywood from moving around however a slightly warped one will peal up from it.