- Anyone kno which green laser diode will project a 90 degree pattern parallel to the floor to reveal dust
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Like this:
This is the lens I attach to the Laser module
You can also get a laser line level at a hardware store. They use them to put up celling tiles. Some pet stores have small handheld laser pointers with different line generating caps as cat/dog toys for a few dollars - usually the batteries cost more than the laser.
Like this:
This is the lens I attach to the Laser module
You can also get a laser line level at a hardware store. They use them to put up celling tiles. Some pet stores have small handheld laser pointers with different line generating caps as cat/dog toys for a few dollars - usually the batteries cost more than the laser.
