Thanks for this! I did not know these existed. There goes a little of my MAD money. Too fun! Edit: Well, a lot of money. Pricey, but a very nice device.

Thanks for this! I did not know these existed. There goes a little of my MAD money. Too fun! Edit: Well, a lot of money. Pricey, but a very nice device. Having the rotation axis opens up a lot of marking devices. Neat!