iPhone 15 Smart Case Industrial Design

We're developing a premium smart case for the iPhone 15 ("Techs") housing a custom PCB, battery, ESP module, and a 1.69" TFT display (240×280, ST7789) positioned beside the camera. This is a real hardware product going to manufacturing — not a concept render... (Budget: $30 - $250 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Printing, CAD/CAM, CNC, Industrial Design, Manufacturing Design, Mechanical Engineering, Product Design)