On Fri, 16 Apr 2004 14:51:22 GMT, Jim Wilson wrote:

||Catherine Jo Morgan wrote...
|| Could a laser level lay a straight
|| line onto the curved surface, so I could mark it for cutting?
||
||Yes, the "Strait-line" style lasers will work for something like this.
||
|| Are the lines or dots always smaller the closer you are?
||
||Yes. Although much narrower than that other light sources, the beams of
||these cheap lasers do diverge noticeably. The ones with a finer aperture
||have thinner beams. If you can modify one to have a very fine aperture
||(I.e, very narrow slit in very thin material), it should be able to do
||what you want, within reason. You'll still get a diffraction pattern, but
||the main line should be pretty clear for reasonable distance.

How would one go about that?
I have 3 different laser levels, all have a beam that is about 1/8" - 3/16" at
6 feet. I'd like that to be under 1/16" at 15 feet.
Rex in Fort Worth