Popular woodworking accessories company, Woodpeckers, has many One Time Tools. This is a similar approach to their OTT aluminum precision milled gauge blocks. These provide accurate reference triangles (squares) to set blades in machines from table saws, band saws, circular saws and more.

Degree markers on one face side only.

3D printed

45-45-90 is 125mm long side, 10mm thick, 30mm through hole for holding or hanging for storage

.STL files present the part with the numbers down on the print bed, flip them over if you prefer.

3 perimeters, 5 layers top and bottom