Simple PCB mounts. Fusion file included so you can adjust to your needs. Currently untested as i'm away from the printer at the time of creation.

Name specifying nut sizes have a slot designed for that nut size to be inserted and then a bolt driven through. Bolt size is also specified in the name. Eg

"M3 nut 6mm PCB mount" has a slot of a M3 Nut and can be used with a 6mm bolt