Overview: This is what we call the stage 3 Large Particulate Filter where the raw laser fume is first mechanically filtered. It employs an easily procurable and economical 16 x 25 x 1″ disposable HVAC filter. We use MERV 13 that can be ordered on Amazon in bulk (or equivalent 3M filters as they do …
Overview: The laser engraver has two 4″ dia. ports for its exhaust output; One from the above and the other from the bottom of the lasing table. We thought about designing and attaching a rigid intake unit directly behind the laser machine to control and direct the flow at the lowest resistance but it didn’t …
Overview: The laser engraver had two size options, 3 or 4″ dia., for its two exhaust ports. We opted for the larger one to maximize the gas flow. One port is for the fume exiting from the top of the table. The other port connected to the bottom center of the lasing table. This is for …
Previous Laser Fume Extractor Versions: Before we reached the current working version of Bernie, 8.2, the DIY Laser Fume Extractor, there were many mistakes and many revisions to the designs and prototypes. Here are some for your entertainment: \
Return to DIY Laser Fume Extractor: Part 1 First Thing First: CAUTION!! Laser engravers and laser cutters release toxic fumes including carbon monoxide, even when used properly. Some will kill you slowly. SOME WILL KILL YOU FAST!!! Some resulting funerals may be closed casket scenarios. Some will save money by cremating you for you. So …
Why Another DIY Laser Fume Extractor? For our first “real” laser engraver purchase, we knew we needed a “real” laser fume extractor system. Our goal to cut through and engrave MDFs and Plexiglass required relatively powerful laser machine (130W). That meant burning through glue laden wood materials and solid plastics quickly. Doing this would release …