Before we get started, here are a few terms you’ll need to know: Once you get the hang of the speed square, you’ll find few tools quite as handy. Here are a few ways to use a speed square to ...

but TikTokker @woodshopdiaries has another use in mind. In a post labeled "speed square basics," she explains that you can also mark any angle from 0 to 90° using a carpenter's square.