air assist and smoke extractor for neje 30 watt laser.
i included an adapter i made for the cpap hose to my vacuum. vacuum. and has 40mm to 25mm connection.
you will need to cut off the steel tubing to the length you need. it needs to be inserted into place in the model so that it dont melt.
i made a replaceable/exchangeable exhaust funnel in case you need to adjust to the laser focus.
it is sized to my focus of about 23mm.
no supports needed.
steel tube: https://www.amazon.com/dp/B09C8SRK5S?psc=1&ref=ppx_yo2ov_dt_b_product_details
cpap hose (exhaust): https://www.ebay.com/itm/273472061322
plastic tubing for air assist pump: https://www.amazon.com/gp/product/B07Z2YMDPZ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
see video here: https://youtu.be/KsLrAbygG6U