This reminds me of the chips that come out when drilling through stock on a milling machine. The stock is spinning, the drill is stagnant, but the chips still come out of the material being worked on.,(reply>), @Magus Perdé yes and no, something like this has been used for a long time yes, but it's never been intentionally built if that makes sense, and it's never been so multi-purpose,(reply>), Wait so it isn't new?