universal ergonomic sand block

Ergonomic Professional Sanding Block Elevate your finishing process with this Ergonomic Sanding Block, a precision tool designed for makers who demand both comfort and versatility. This project is optimized for 3D printing, combining a lightweight structure with professional-grade functionality.

Key Features: Dual-Geometry Design: Features a wedge-shaped front to reach into tight corners and a rounded back 10mm radius lower and 20 mm upper radius specifically engineered for sanding concave surfaces. Secure & Low Profile: The sandpaper is held firmly by a low-profile locking screw that stays out of your way while working. Tool-Free Adjustment: Use the included 3D-printable "2G_D" coin (or any standard coin) to tighten or swap sandpaper sheets in seconds. Optimized Ergonomics: A $40\text{mm}$ wide flat base provides a stable surface for consistent results, while the lightweight lattice design reduces hand fatigue and filament consumption.