I made a couple hundred frames once, but I went to my Psychiatrist and he told me it was only a passing phase.
To make the end bar beespace, I would use a router table, with the fence, and a stop block. Just push it thru to the block, turn it over, and do it again. Keeps the fingers a reasonable distance from the bit.
When people start using a table saw for small pieces like that..well, just be careful, and use a push stick.
They are really cheap enough that I wouldn't waste my time with them.