When using the shop bot use the instructions given by Mr. Dubick, In addition make sure to wear your protective googles and in order to turn of the machine you do not necessarily have to twist the red bottom, you can just hit the space bar so that you do not loose all of the settings. Make sure to follow all instructions and air cut before making a final cut into the wood.
March: Recently I have used the Shopbot and created puzzle pieces. It has been a bit of a long process, with lots of trial and error. Finally, after emergency shutting it off once, as a group, we were successfully able to accomplish a cut! Here is a picture of the final project, one of them is the one we did:
This video shows the Shop Bot cutting the puzzle pieces although my group did not complete this exact cut, we did one very similar and still resulting in these puzzles pieces as a final product: