Dirt Devil Simpli-Stick Filter Button

A replacement button for the Dirt-Devil SimpliStick Filter enclosure. Based on the [design from ZX2fst](https://www.thingiverse.com/thing:4241178), I remodeled it entirely in [OnShape](https://cad.onshape.com/documents/74932d005924f62b349d1ac2/w/424d2628f056df7f326d8cd7/e/309c9b86191b2150934f6fd6) and created this modified button to better fit the SimpliStick.