Remember when 3.5-inch floppy disks were cutting edge? They were tougher than their 5.25-inch predecessors and could hold more data. That was a long time ago. There isn’t much use for them nowadays. Or is there?
This 3.5-inch floppy disk looks normal on the outside, but inside, it holds a USB connector and flash memory. This hack requires a couple of disks that have been cut apart and stacked together, so that the connector can be placed inside.