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Old 23-07-2014, 01:55 PM
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Pinwheel (Doug)
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Pinwheel is offline
 
Join Date: May 2010
Location: Wimmera victoria
Posts: 512
You need to check lasers are true regularly, I saw a great YouTube video making a laser collimator out of some PVC pipe 45 deg joiners. Brilliant idea & worked for me. Sorry I don't have the link but Google "Laser collimation".
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