I made a case design for one of my friends' electronic component which is a both floppy drive emulator and a fastload cartridge for Commodore C64.
This time video is more explanatory then the blog content :)
This is the actual electronic part:
Some assemble instruction I made:
Electronic part can be purchased by this link:
3d printable case is available free here:
What is Pi1541 - https://cbm-pi1541.firebaseapp.com/
What is Epyx Fast Load - https://en.wikipedia.org/wiki/Epyx_Fast_Load