It's named a T-sq. for a purpose. The sq.’s scale should be affixed to your T-head specifically perpendicularly. It is possible to’t attract parallel and perpendicular traces nicely until the principle scale plus the T-head are at proper angles. Angle iron, normally generally known as metallic angles, L-brackets, or angle https://variablefrequencydrive75308.tblogz.com/positioning-ruler-for-dummies-46676060