Photographing fairly flat angle with your phone and then scaling the imported image using a dimension such as the diameter of a screw hole or something will get you VERY close as well for more prohibitive items!
3D Scanner is really worth while if you do a lot but that's a bit of a barrier to entry for most people currently but hopefully follows the trend of printers getting better and more affordable.
Soulseek via slskd on my NAS to fill in the missings from Lidarr works really well. Gluetun with a VPN and sharing everything as it grows