I’ve seen some YouTube videos lately where people have filled in the open spaces of the bed casting with epoxy with filler, I think usually aluminum oxide. I’d like to do this but was wondering if there was some other type of filler that could be used that would be heavier/more dense? I think the idea here is to use just enough epoxy for it to bond to maximize filler weight. How much could carbide turning inserts be crushed up with a 50 ton hydraulic press? I have access to a plethora of chipped/broken/worn ones at work. I’m sure there’s risk of shrapnel in doing this so I would have to put some scrap blocks around the press head or whip up some sheet metal guards. Any other ideas?