The Cabinet & Speaker Box Corner Guide keeps panels perfectly square during assembly, making box builds faster, cleaner, and more accurate without bulky clamps getting in the way.
Why you’ll want these
Ensures true 90° alignment during glue-up
Internal corner design leaves room for external clamps
Prevents panels slipping or twisting while setting
Ideal for speaker boxes, cabinets, drawers, and MDF builds
Lightweight, reusable, and easy to position
How it works
Simply place the corner guide inside the joint, push your panels together, and clamp further along the panels. The guide holds the corner square while you glue, screw, or fasten your project.
No fighting clamps. No guessing angles. Just clean, accurate corners.
Designed for builders
These guides are especially useful for:
Speaker enclosures
Cabinet and furniture builds
MDF and plywood projects
DIY and small workshop setups
What’s included
4 × Cabinet & Speaker Box Corner Guides
Built for accuracy
3D printed from durable PETG plastic with a precision profile, each guide is designed for repeatable results and long-term use.
