Wall-Mount Bracket 3D Design

I need a custom wall-mount bracket modelled so I can print it on my Snapmaker U1. The bracket’s sole purpose is mounting, and I will be printing it in PETG plastic, so the geometry should favour strength... (Budget: $10 - $30 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, 3D Rendering, AutoCAD, CAD / SolidWorks, CAD/CAM, Fusion 360, Solidworks)