When you export an effect from Spark AR Studio, an .arexport file will be saved to your computer. This file contains everything your effect needs to work in the camera.
It's important to check file sizes when you're exporting an effect. Effects that are too big won't be approved.
The .arexport bundle that's exported on to your computer must be 40MB or smaller.
Learn more about effect size limits.
When you're happy with your effect and you've checked the file sizes:
You'll see a warning if your file is still too big.
You can also batch export multiple projects using the command line tool.