For some reason, only the hat is usable when turning your Minecraft skin into Papercraft. It would be useful if you were able to also include the jacket and pants into your papercraft skin by merging them too. Since a lot of skins use these, it would add a lot of convenience to people who want to bring their skins to life using papercraft.

The papercraft system could definitely use some improvements, I will make multiple tickets to make it easier for the devs to list them off one by one.