You can use Transforms perspective and warp. Its not the easiest thing to do. So you should first convert the layer to a smart object late. So Transform and Liquify will not be a destructive process. Perspective and warping woks quite will in a mockup templates. It may require several Smart object layers the to do all the distortion's. Smart object layers can share an object so you can use multiple transform perspective warp Liquify mask Take a look at this mockup rectangle seat covers, Conform seen tpe conform quite well.