Using different preview videos is crucial for making sure your filters work on different face sizes, shapes, and colors. Also, make sure to test your filters in dimly-lit environments! I have made some great-looking filters that completely fall apart in low light. Don't let it happen to you!
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Learn how to make Instagram filters by following along with the Spark AR Masterclass on YouTube! Just hop over to the playlists page ( / eddyadamsin3d ) and start with Chapter 1.
Follow for more Spark AR tips!
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Spark AR Resources - https://www.eddyadams.com/spark-ar