Creating a custom shadow takes preparation. This action will handle that tedious process for you.
Once the action has finished running, you will have a shadow on its own layer, at 50% opacity, with a gaussian blur of your choice. Use the result with your favorite method to create a custom shadow.
This Action comes with 3, 4, 5, and 6 px options, with your choice of black or brown shadows.
Personal Use, Scrap for Hire friendly
Tested in Photoshop Elements 2018, 2019, 2020 using Windows; Photoshop Elements 2018 using a Mac; CC2020 in Windows