Just a simple slide lid enclosure for my 5vdc to 120vac relay switch. I connected it to my laser engraver to turn the air pump on automatically. Its a tight fit but if you have 3 hands like i do then you can wire it. lol. Its not bad.  

21.63g HS-PLA

Heres the link for the relays on amazon...

https://www.amazon.com/dp/B095YD3732?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1