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How can I make a line laser out of a laser pointer? Answered

I need to make a line laser from a laser pointer .cheap and fast need the line laser for a project.

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http://www.thingiverse.com/thing:4028

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kantos

3 years ago

Is there any way to achieve this without mechanical parts?

Use a small piece of Lenticular screen...or just go buy a cheap laser level..Done!

Use a small piece of Lenticular screen...or just go buy a cheap laser level..Done!

Place a cylindrical lens in front of it. A glass stirring rod would work, or an acrylic rod, or a wine glass stem, or a small bottle filled with water, etc.


Above works or you can make from a
small cpu or PC casing fan, mount a mirror perpendicular to the fan, reflecting a laser should make a line.


laserpointerline.gif

A cylinder like cameron suggests, or a diffraction grating designed to crate a straight line.