emc2 vismach rack tool changer tool shape changed from tool file tool shape in chuck is 2 shapes with one hidden, one visible the 2 shapes are a rect prism and a cylinder by changing hal pins controlling radius,the cylinder can be hidden by changing hal pins controlling width and depth, the prism can be hidden you see the larger of the 2 shapes ( just a visual trick ) written for debugging a shuttle rack tool changer for a sink edm