GripCheck – Tire Tread Depth Keychain Gauge

Two Versions · 1.6 / 3 / 4 mm · Easy to Print 🛠️ Overview GripCheck is a compact, functional tire‑tread depth gauge designed as a keychain. It allows you to quickly check the three most important tread thresholds: 1.6 mm → legal minimum limit 3 mm → recommended for summer tires 4 mm → recommended for winter tires Small, durable, and easy to carry — perfect for drivers, mechanics, and anyone who wants a quick safety check. 🌀 Two Versions Included 1) Flat Version – Support‑Free Prints flat on the build plate No supports needed Clean, minimal, fast to print Ideal for everyday use 2) Technical Version – Circular Reference Rim Features a raised circular rim for improved tactile and visual alignment More “instrument‑like” and professional Requires supports due to the perimeter relief Slightly more precise reference feel 📏 Measurements Each GripCheck includes three depth indicators: Indicator Meaning 1.6 mm Legal minimum tread depth 3 mm Recommended summer tire threshold 4 mm Recommended winter tire threshold The protrusions are dimensioned to match the real depth, so what you insert is what you measure. 🧱 Print Settings Material: PLA or PETG Layer height: 0.2 mm Infill: 20–30% Supports: Flat version → No Technical version → Yes Orientation: Flat on the build plate 🖊️ Notes Designed for accuracy and ease of use Keychain hole included Optimized for FDM printing Compact and ergonomic circular shape