Design Durable TPU Plastic Spear Protector

I'm looking for a skilled designer to create a spear shaft protector. The protector should be made of plastic, specifically TPU filament. Key requirements: - Material: Durable, flexible plastic (TPU filament)... (Budget: $30 - $250 AUD, Jobs: 3D Design, 3D Printing, CAD/CAM, Manufacturing Design, Mechanical Design, Product Design, Prototyping, Solidworks)