March 13, 2020 Update:  This week, my CNC router project remained on hold as I am still waiting for the SD card reader that I ordered.  However, I finished my DIY case trimmer and made a video about it this week.  I also conducted an experiment to see if 7mm magnum would penetrate 3/8" AR500 steel.  Interestingly enough, out of four rounds, three splattered on the plate with no visible damage and one punched a clean hole right through it.  Naturally, I made a video about the test, so that has been added to my upload queue as well.  Anyway, this weekend I expect to upload another armor testing video, probably the one about tire rubber.