About this 3D model
Now your best friend has a sign too! Background height = 1.8mm Details height = 2.2mm Manual filament change at layer 10 if you print with 0.2mm layer high, or detail with paint or sharpie. Onshape link: https://cad.onshape.com/documents/ac44a11328c81addd38cf0bb/w/3a71f2db5b006268957b93e4/e/d6ea40d369f8a88983837747 :)