Caution: 

Electric power switches are generally made from thermoplastics with added fire retardants. It is not advised to print the rear switch housing or internal mechanisms as it may not be able to withstand contact arching.

Material: 

• Print with ABS or PETG
• 35% infill
• Two M3 hex nuts

Printing:

• Pause the print at 4.05mm and place two M3 hex nuts in their pockets. (see image)
• Print faceplate and shaft separately and glue together.
• (Optional) visual indicator: Print shaft in green. When the knob is pulled out (on position) the green shaft is visible.