Wise Buys: Right-angle Assembly Squares

Here are assemble aids that hold those right angles together until the glue dries or you can secure corners with screws or nails. We recommend the models below.

HARDELL 90 Degree Positioning Squares, Right Angle Clamps 5.5 x 5.5(14 x 14cm) Aluminum Alloy Woodworking Carpenter (4 Pack), Carpentry Squares - Canada

Square (tool) - Wikiwand

Right-Angle Assembly Clamps - Lee Valley Tools

These economical 90-degree corner clamping squares provide a helping hand when assembling cabinet carcasses, drawers, boxes, face frames or anything

Glass Reinforced Nylon Clamping Assembly Squares 4 Piece Sets

Kreg K5 Pocket-Hole Jig Pocket hole jig, Kreg pocket hole jig, Pocket hole

Buying good tools cheap #2 - The combination square - Paul Sellers' Blog

Tools to Measure Angles - The Home Depot

WETOLS 12PCS Positioning Squares, 90 Degree Right Angle Clamp Woodworking Tools for Handyman, Wood Clamp Square Clamp for Carpenter DIY Pictures Frames, Cabinets, Boxes, etc - WE867

Wise Buys: Mini-Lathes

Wise Buys: Right-angle Assembly Squares