<p>Air assist input, with 2 outputs the first to blow out the middle to clear off the smoke from the lens, the second directed on focal point from sideway.</p><p>the bottom part slide on the lens holder, that allow to set the distance between the lens to the object (50mm) depending on object thickness.</p><p><br></p><p>ATTENTION ! plastic is flamable, do not use without air assit to keep the flame away. enventually make/wrap it into foil shield.<br></p><p>discuss the K40 laser cutter with the community : <a target="_blank" rel="nofollow" href="https://forum.makerforums.info/c/k40/26">https://forum.makerforums.info/c/k40/26</a></p>
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