Some stuff about linux & python: https://www.cpcwiki.eu/forum/index.php?msg=201894
'''3d case''': https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/usifac-iimake-your-pc-or-usb-stick-an-hdd-for-amstrad-access-dsk-and-many-more!/msg207446/#msg207446index.php?msg=207446
'''Usifac II schematics''' & raster implementation:https://www.cpcwiki.eu/forum/index.php?msg=212833