air intake for siren with blower
Description
This is designed to fit the siren designed by Lumex120. It can be used to connect a blower to the siren with a 20mm or 3/4in tube/pipe to make it louder. Siren: https://www.thingiverse.com/thing:2817352 Blower: https://www.thingiverse.com/thing:2685743 This would also work as a funnel. Dimensions: Small end interior: 15mm Small end exterior: 20mm Large end interior: 120mm Large end exterior: 130mm Small end length: 20mm Large end lip: 5mm Height: 75mm I recommend printing it with the large end on the bed with at least 5% supports I designed this in OpenSCAD because I find graphical 3D modelling programs are too difficult to use. You can use this however you want, but give me credit.
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