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  • ChrisL4 commented on FamousMods's instructable 3W 4'x4' Arduino Laser Cutter/Engraver9 months ago
    3W 4'x4' Arduino Laser Cutter/Engraver

    Note, that first picture that I posted is before installing the fan upgrade. I'll post more with the new setup.

    This a great Instructable! I reduced the size down to about 24"x24" and it works great for my purposes. I wanted to share a couple of things that I found that work very nicely with this project.The items can be found here: http://jtechphotonics.com/?product_cat=accessories... Prices are pretty reasonable and the priority mail shipping was pretty fast.I bought the laser fan upgrade ($20), the High Efficiency AR coated lens ($20) and the 12x12 laser shielding ($12.49).I'm probably the most excited about the fan setup. When I mounted it I had to offset it a little from the center so that the mounting screws did not run into the linear bearing screws. I installed it last night and it woks great! Actually moves more air than I thought it would and I think that it also provides some...see more »This a great Instructable! I reduced the size down to about 24"x24" and it works great for my purposes. I wanted to share a couple of things that I found that work very nicely with this project.The items can be found here: http://jtechphotonics.com/?product_cat=accessories... Prices are pretty reasonable and the priority mail shipping was pretty fast.I bought the laser fan upgrade ($20), the High Efficiency AR coated lens ($20) and the 12x12 laser shielding ($12.49).I'm probably the most excited about the fan setup. When I mounted it I had to offset it a little from the center so that the mounting screws did not run into the linear bearing screws. I installed it last night and it woks great! Actually moves more air than I thought it would and I think that it also provides some extra stability when burning which gives better precision. Also, keeping the laser cooler should result in more consistent burns, especially long ones.The lens also seems great. It did a nice dark burn but I only did a quick test burn last night so my overall results compared to previous lense (405-G-2 Lens) are not conclusive yet. I'll give an update once I have done a few more burns. If buying a new laser for this project I do recommend at least upgrading to the 405-G lens, it burns better and stays cooler than the standard glass lens.Not sure exactly how I'm going to use the shielding yet but it works well for quick checks on your work when you don't have laser protection glasses on. NOTE: ALWAYS wear protection, the laser will damage your eyes very quickly without protection!I'll follow this up with some additional photos of my setup.Thanks again for this awesome instructable, I learned quite a bit and had a lot of fun with it!

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  • ChrisL4 followed FamousMods9 months ago