Print two of the screwmount objects, use an extra long mounting screw on the relay to mount them as shown. This is what the guard attaches to.Print the cover and just press it down over the relay.
I'm a computer person who grew up on a farm. I enjoy all kinds of making. Programming, electronics design, rough carpentry, whatever.I am a mentor for FIRST Robotics FRC team 1502, "Technical Difficulties" at Chelsea High School.