Siren

thingiverse

This is a custom Siren that I designed using Fusion 360, building upon the original item 370886. I wanted to create a version that could work with a basic DC motor and its accompanying components, so I modified it accordingly. The specific DC motor I used can be found here: https://www.aliexpress.com/item/2016-New-DC3-12V-Large-Torque-Motor-Super-model-with-High-Speed-Motor-New-Arrival-Rated/32691454070.html The top of the Siren is securely attached to its base using M3 screws that are threaded into the top. If you don't have any M3 screws on hand, a strong adhesive can be used as an alternative. This design prints in three parts and doesn't require any support structures. I also scaled down the original design to make it compatible with my DC motor's specifications. Additionally, I made some adjustments to the impeller's design, which I believe improves airflow and results in a more impressive sound. The Siren produces a relatively loud noise when in operation.