Foot membrane

This invention describes a transparent, stretchy foot sleeve designed to be worn inside high-heeled shoes for comfort and support. It conforms to the foot's shape and has varying thicknesses, with a specific gel layer at the ball of the foot to provide cushioning. This gel-padded area is at least 2mm thick.

Why it matters: Filed before multi-material 3D printing could precisely fabricate unitary, variable-thickness, transparent polymer structures. Modern additive manufacturing techniques could now simplify production of this complex device.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedCustom non-woven membrane, integrated gel, varying thickness molding.

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