In this video, I give a quick overview of the upgrades I've made to my Creality K1. Printable under quotes, because you need to buy the foam tape haha Here's the list of mods:
1. Foam tape all around the top lid (inside and outside)
2. Foam tape in the front door
3. Removed the Bowden tube from the chain and used some clips: [Bowden Clip](www.printables.com/model/850954-creality-k1ck1k1-max-rotating-bowden-clip/comments)
4. Side Fan Noise Dampener: [Fan Silencer](cults3d.com/en/3d-model/tool/creality-k1-k1-max-aux-fan-silencer-v2-360-degree)
5. Retrod's Orca Profiles: [Orca Slicer Profiles](cults3d.com/en/3d-model/tool/creality-k1-orca-slicer-profiles)
6. Foot insert for better resonance: [Foot Insert](cults3d.com/en/3d-model/tool/k1-foot-insert-for-better-resonance)
7. 45 degrees Filament Sensor mod: [Filament Sensor Mod](www.printables.com/model/535464-creality-k1-filament-sensor-mod)
8. Side spool holder with guide: [Spool Holder](www.printables.com/model/552999)
9. Extruder 90 degree bend: [Extruder Bend](www.thingiverse.com/thing:6151992/files)
10. Front door cover
I printed everything in a single day! Using the Stealth Orca profiles and these upgrades, I decreased the noise by around 40% even with the fans running at full speed. Now, my printer sits right next to my computer, which is fantastic because my previous Ender 3 V2 was so loud that I had to close my bedroom door to sleep, and I could still hear it from 6 meters away.
With these mods, I believe the sound was decreased by around 40%.