Apple Watch & AirPods Case Design

I'm looking for a well fitting and durable handheld case that can accommodate both an Apple Watch Series 10 (46mm) and an AirPods 4 case. The design should replace the need to carry a smartphone. Requirements:... (Budget: $30 - $250 USD, Jobs: 3D CAD, 3D Design, 3D Modelling, 3D Print Design, 3D Printing, 3D Rendering, CAD/CAM, Manufacturing Design, Mechanical Engineering, Product Design)