My backpack is super ****in heavy today cuz I brought some supplies for my teachers One of them doesn't have an electric sharpener and I mentally just Cannot So I'm giving him one of my older ones And I brought my mug for teaaaa and notebook Idk why I just felt like I needed it??

Yes i finally found a way to add those floating diamond things and I think it'll work The problem is I made it out of duct tape and foam and Well What am I supposed to put over it to make the surface flat enough to paint on