GOINGMAKE Woodworking T-Square

Laying out shelf positions on a bookcase side, or dado lines across an entertainment center panel, means drawing many lines parallel to one edge. The Woodworking T-Square does it with a row of scribe holes spaced every 1/32 in. Drop a 0.3 to 1 mm mechanical pencil into a hole, hold it with one hand, and slide the square along the edge with the other.

Two support lips on the head keep the square from tipping or rolling while you draw. The blade is CNC-machined aluminum with clear laser scales, and we rate it square to ±0.02°. That lets one setup give you both the line and the measurement, with no tape laid across the panel.

Pick the length by the widest part you lay out. The 32 in square draws one line across sheet goods and tall cabinet parts without stopping to move it. The 24 in square handles most cabinet parts and is easier to manage on a small bench.