Provisional Patent Holder

Shin Sheath

"Custom-fit. Protective. Expressive."

A parametric, 3D-printed prosthetic cover designed for comfort, affordability, and personal expression.

Starting at $200
Compared to traditional covers: $500–$2,000
Click & drag to rotate • Scroll to zoom
~85%
Gross Margin
$20–$30
Production Cost
$2.5K
Big Ideas 3rd Place
Customization Options

Four-Step Process

1

Measure

Capture your exact prosthetic dimensions using simple tools or digital imaging.

2

Generate

Parametric modeling automatically scales the design to your unique specifications.

3

Customize

Choose materials (PLA or PETG), colors, patterns, and personalization options.

4

Print

Print on any consumer-grade 3D printer and wear with confidence.

Explore the Design

Prosthetic Leg Components

Front piece
Back piece

Why Shin Sheath

Custom-Fit

Parametric modeling ensures every cover fits your prosthetic perfectly, without manual adjustments.

Protective

Durable PLA or PETG material shields your prosthetic from scratches, impacts, and daily wear.

Expressive

Choose colors, patterns, and designs that reflect your style and personality — unlimited options.

Scalable

Parametric model scales without linear cost growth, enabling sustainable production and innovation.

Shin Sheath vs. Traditional Covers

Feature Traditional Prosthetic Covers Shin Sheath
Cost $500–$2,000 $200–$400
Customization Limited, often requires re-manufacturing Infinite via parametric model
Production Time Weeks or months Hours
Manufacturing Specialized facilities, high overhead Home 3D printer, low overhead
Material Flexibility Limited to manufacturer's offerings PLA, PETG, or other filaments
Insurance Coverage Often denied Eligible, affordable alternative
Gross Margin ~40–60% ~85%

Awards & Honors

3rd Place ($2,500) — UA Big Ideas Competition (April 2026)

Associated with Michael Auprince, UA Men's Wheelchair Basketball Assistant Coach.

Shin Sheath held up like a trophy after Big Ideas win

Ready to Transform Your Prosthetic Experience?

Join hundreds discovering affordable, customizable prosthetic protection. Starting at just $200.