BTW. I have device to make a DD floppy discs into HD 
. It is literally a "hole cutter"! People were doing things like this about 25 years ago.
Neat!
I had the one for making double sided 5.25" disks. Just like this, the blue one:
Of course probably everyone on this forum had one of those at some point. Think I still have mine in a box somewhere.
