The right side looks like more effort was put in however it takes a few minutes max to improve the outlines of this and it looks like its starting to come together very nicely! Now for the next part I will show the basics of shading + Highlights and colors to choose! Colors + Shading I personally use an advanced template for my designs even which does make a pretty big difference on difficulty to make specific things, this is what the template looks like Some designers that make skirts or anything that goes down to the legs will use a separate advanced template to design off of to make it easier to make the outfit and see what it looks like a bit better.

Starting the design with an advanced template You should also have some sort of understanding of the program. I will give alternative steps for people that use, which could also work with most other picture editing programs like GIMP, paint sai, Photoshop and probably a few more programs on PC. The Software I will be using mainly will be Clip Studio Paint. Hello! I been making clothing for a very long time, originally since 2014 and for a good while ive wanted to make something to help other clothing designers improve their designs just in general! this will show you some advice on the following

Roblox shirt design template