Texturing - tom5454/CustomPlayerModels GitHub Wiki
Texturing

U, V: Top left texture coordiate
Tex Size: Texture size multiplier: Multiply all of the texture coordiantes with.
Part texture alignment:

Reload: Reload opened texture from disk/reload texture from save location (saved with Skin Settings/Save Skin).
Skin Settings:

Open Skin/Save Skin: Load/Save skin texture. Can be reloaded with Reload button.
New Skin: Create a new blank skin texture.
Delete Skin: Restore vanilla skin.
Texture Sheet size
The size of the image in "pixels". One "pixel" is one step in U/V coordinate. Doesn't have to match actual image size, if higher resolution skins are used.