The battery cover for a Etekcity brand remote controlled outlet broke the first time I tried to put it on. I modeled this to slide over the end of the remote to keep the battery in. It's a friction fit.
Here's the outlet this remote is used for. https://amzn.to/2KRD6rL
Maker Geeks PETG
Designed to use a double perimeter with a 0.4mm nozzle