Pumpkin spice, also known as allspice with better marketing, has found its way into a seemingly endless amount of products over the years. It goes beyond the obvious foodstuffs of pies and cakes; because there are plenty of candles, deodorants, and air fresheners ready to add a little more spice to your world. One such autumnal smell enthusiast, YouTube user [J-Knows], sought to automate the delivery mechanism with his 3D printed pumpkin spice aerosol sprayer.
The sprayer device uses an Arduino to rotate a small 3D printed arm that depresses the button on an air freshener cap. This design came as a result of multiple attempts to create a clip that would securely attach to a standard canister. When problems arose with the clip slipping out of place after the motor rotated, a pinch of sticky tack ended up being just the solution. With the proper amount of adhesion, the …