Laser K40 fume extractor
thingiverse
You can use only fume extractor adapter with this fan : https://www.bauhaus.ch/fr/p/air-circle-ventilateur-tubulaire-encastrable-100-cm-20327813 Or print all parts to use a 92x38mm fan. I use an old fan who is really powerfull to extract fume. PSU : https://fr.aliexpress.com/item/1005004890116586.html Dimmer : https://fr.aliexpress.com/item/1005003733382063.html (not perfect) In 9 holes aroud fans is for small caoutchouc feets (8x1.5mm) to prevent vibration from fan. Wiring : 230V to PSU 12V from PSU to dimmer 12V from dimmer to fan If needed cut the extra wire exepted 12V and 0V
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