The file 'Firewire/IEEE 1394 Port Cap 3D Printer Model' is (stl) file type, size is 1.2KB.
I needed a cap for a port that I won't use in an old computer case, so I came up with this, remixed from https://www.thingiverse.com/thing:5144708 .
1394_Cap.stl | 5.4KB |