3D Printed Modular Vacuum Workholding Table for LR4 (Or anything for that matter)

[ClineDesigns (Mike)]

I’ve been reading a bit about vacuum tables lately, post #14 of this thread is worth checking out for sure. Details how to use 3 layers of dollar store foam board and a 3D printed nozzle to hook your vacuum up to it

Another LR4 Table

On the edges…but what material are you using? MDF is shockingly porous and won’t hold vacuum unless you seal all of the surfaces quite well. And some plys have a lot of porosity along the edges that will leak vacuum. I had big plans for a vacuum table on my old MPCNC…then got talked into just doing a quick test with some sheets of foam from the dollar tree. I wound up using 3 sheets of foam - one with a series of horizontal slots, one with a series of vertical slots, and one with a grid of …

Sharing because it’s a very similar approach, it might connect some dots in the right person’s head