Dummy 13 Back Plate

I couldn't find a backpack model for Dummy 13 and so I created this back plate starter model for those interested in designing backpacks, back carriers and back accessories. Many thanks to @MarcCloutier_1593551 for his Dual Lamp design, which is where I found the back plate. His back plate needed some adjustment to fit a regular Dummy 13, thus this remix. The part is very small but adheres well since it is mostly flat. I would recommend printing at .16mm in PLA with no brim.