Buck Converter / DC-DC Step-Down Converter Case 2020 / 2040 Extrusion

As I needed a 5 V- source to power some servos (https://www.thingiverse.com/thing:3181212) I created a housing to fit a buck converter. I used these converters, they work well!
https://www.amazon.de/gp/product/B07DP3JX2X/ref=as_li_tl?ie=UTF8&tag=kuhnikuehnast-21&camp=1638&creative=6742&linkCode=as2&creativeASIN=B07DP3JX2X&linkId=14048d91b0767ae5a9ed24e86304d51c