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Clamping Square

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9 Must have Woodworking Jigs

What happens here

A custom-made wooden clamping square is utilized to hold two pieces of wood at a precise 90-degree angle while they are being joined. The jig is secured to a workbench using F-clamps, which hold the square firmly in place. The wood pieces are then positioned against the inner corner of the square and held together by either additional clamps or by screwing them into place with a cordless drill/driver. This jig is invaluable for ensuring accurate right-angle assemblies in cabinetry, box building, or frame construction.

Goal: Hold workpieces at a perfect 90-degree angle for assembly.

Tools and materials

  • Clamping Square DIY — Holding wood pieces at a right angle
  • Cordless Drill/Driver — Driving screws to join the wood pieces
  • F-Clamps — Securing the clamping square to the workbench and holding workpieces
  • Workbench — Providing a stable surface for assembly
  • Screws — Fastening the wood pieces together
  • Wood Pieces — The material being assembled into a corner