Hand Sanding Block

DESCRIPTION
This is a sturdy, ergonomic 3D-printed hand sanding block designed to work with any strip of sandpaper you prefer. The system uses a simple two-piece clamp mechanism: insert the sandpaper around the main body, tighten the screws, and you’re ready to sand flat surfaces, edges, or tight corners with excellent control.

The model consists of two printable parts:
Main block
Clamp piece

Both parts are optimized for FFF printing and require no supports.
Perfect for workshop use, woodworking, metal finishing, or hobby projects.

Features:
Two-piece clamping system using standard M3 hardware
Works with any cut-to-size sandpaper strip
Strong geometry for firm grip and stable sanding
Optional EVA foam layer for improved fit and pressure distribution

Source file (Fusion360) included for customization

Required Hardware
You will need the following common fasteners (not included):
2× M3 x 15 mm screws
2× M3 hex nuts
2× M3 washers
Optionally: EVA foam strip glued along the perimeter fo