Portable Airhorn

This little powerhouse knows how to produce a sound that will scare you! Very easy printing. All parts can be printed without support.I printed them with 0.4 nozzle and 0.2 layer thickness and 20% infill.For the small horn you can use a brim, but I printed without brim.Print all as positioned in the STL'sSimple assembly without glue or rubber bands. Printing and assemblyBefore assembling, check the Membrane Cap and the left recess from the Housing where it is placed if there are no rough parts after printing. If so, sand them smooth.The membrane for creating the sound can be made from a (thin) plastic bag. I used a PE food bag, but feel free to experiment with other types of bags. Do not use thicker plastic.There is play between the 2 parts. If this turns out not to be enough for your print, print the membrane cap slightly smaller. After installation, the membrane cap must clamp properly!If you want to replace the membrane, you can easily remove the membrane cap with a pen or somet