https://diode.zone/videos/watch/b6eb5dad-08e0-49d3-a80c-b91b76eeec2d This video is composed of three parts. The first investigates a novel method for aligning the mirrors of a laser cutter. The second shows the traditional method. The final section shows how to change a lens (convex side up!) and reviews a Chinese eBay vendor for IR lenses. Wed, 21 Oct 2026 10:18:28 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diode.zone https://diode.zone/lazy-static/avatars/f8052465-9d60-4b32-92d3-0f4304b24ca6.png https://diode.zone/videos/watch/b6eb5dad-08e0-49d3-a80c-b91b76eeec2d All rights reserved, unless otherwise specified in the terms specified at https://diode.zone/about and potential licenses granted by each content's rightholder.