Frequently, users will use Google images to find shadow templates to put over some artwork to make a quick Roblox shirt, but these templates found on Google Images are almost always stolen.
An alternative way of getting shaders into Roblox, specifically post processing shaders, is ReShade.
A high shader preset will increase the lag on Roblox.
These presets contain a predefined arrangement of shaders written in based on , which change the appearance of pixels based on color and depth data.
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I am making these public domain to try to help with this problem.