Woodworking Corner Clamp Helper

A handy 3D‑printed corner clamping buddy that helps to keep two boards perfectly aligned while you tighten real clamps during glue up. Features:Holds the two pieces at a perfect right angle.Provides flat, robust surfaces for your clamps to press against.Keeps clamp pressure from denting or shifting the workpieces.Think of it as a chunky, plastic “L” block with some smart features. Infill and wall recommendationsFor a structural jig:Walls: 3–5 perimeters (shells) to make the outer skin strong.Infill: 30–60% grid or gyroid is common; go higher if you’re clamping large/heavy pieces.Material: PLA works for light use, but PETG or ABS is better if you’re applying lots of clamp force or working in a warm shop.