I think a small laser level would help me a lot, but I'm not sure. Let's say that I have a curved surface, a rough hemisphere for example. I'd like to cut the hemisphere in half, or at least slice it so the cut edge is straight and can be fitted onto a flat surface. Could a laser level lay a straight line onto the curved surface, so I could mark it for cutting?
Perhaps there's a better way to do such marking? I know a laser level will give me a pretty broad line at close range. Is there a way to distinguish among the different models to find the one that will have the thinnest line at close range? Are the lines or dots always smaller the closer you are?
Also - would it be kind to my eyes to wear shaded glasses when using a laser level? I do know not to point the laser AT my eyes (or at anyone else.) But the line itself is pretty bright, right? So maybe shade 3 if I can find some clip-ons? TIA