Classic game store has just released replacement cases for the Open Source Scan Converter in eight different transparent colors:
The price is around $20 and they ship worldwide: https://classicgamestore.ch/ossc-acryl-gehaeuse
EDIT: Video Game Perfection has their own versions of these cases in stock as well, however they’re translucent, not transparent: https://www.videogameperfection.com/products/replacement-ossc-case/
Does your OSSC still have it's black normal shell? Time to spice it up a bit. We now offer shell replacement kits in 8 colors.
Visit our store at https://t.co/cXr1jHnAjQ
We ship worldwide. In case your country is not listed just contact us. pic.twitter.com/pHXd2PF790
— Consoles4You (@Consoles4You) July 31, 2019