Relay Module DIN-Rail Holder
I ordered a lot of these cheap 5V relay modules only to find out that there wasn't any mount for a 35mm DIN-rail available!
The design/remix didn't take very long to make, and it also prints relatively quickly.
As a side note, this is actually V2 of this design, as I accidentally deleted the old one in tinkercad...
I have printed and used this design multiple times, and it always worked.
If it doesn't for you, make sure to let me know!
Print it on the side to avoid supports and reduce the speed.