Old time 3 phase electric blade switch

A 3D printable blade switch, broken down where you can print in different materials. The "Blade Switch Nut.stl" files are for reference, you can use 4mm bolts and nuts for better strength. This is a rough design, holes for the Source and Blade have been added but you will need to add additional holes for the base. To reproduce the illustration, you will need to print the following...

1 x Blade Switch Base.stl
3 x Blade Switch Blade.stl
1 x Blade Switch Bridge.stl
1 x Blade Switch Knob.stl
12 x Blade Switch Nut.stl
3 x Blade Switch Receiver.stl
3 x Blade Switch Source.stl
6 x Blade Switch Tab.stl