I am too cheap to buy DIN rails to hold my main board and pi in my Anycubic Chiron. I saw a lot of din rails but I wasn't sure that it was to din rail specs. 

if you want to size it to length go to the Onshape link:https://cad.onshape.com/documents/471ccaa3a21e80f5270038e6/w/ed5c444d4b9222542f3111ff/e/d40b27276194676f6dbc3ee4?renderMode=0&uiState=6945b562d6a19783f3cd0869