My fellow mattress experts and I visited the 3Z factory in Arizona and got a behind-the-scenes look at the secret foam-pouring process for beds.

CNC Foam Cutters are capable of cutting out some ... tapered shapes are possible. One example where this would be helpful is cutting wings that are swept or have different profiles at each ...

Here’s how it works. Memory foam mattresses are popular among sleepers looking for a bed that can ease aches and pains, as the dense cushioning reduces pressure build-up at the joints.