I purchased a foam mat from walmart. The kind you would put in front of the kitchen sink. Comfy to stand on I guess. Anyway. I cut widthwise across the mat and put the pieces under my sewing machine, serger (you know how they vibrate), and my computer tower! This absorbs some of the vibration. My machines are on 2x4 tables that have adjustable height. A few years now, and so far so good.