Have you ever lost a button? One that is unique and cannot be found anywere? Do you want to sew something special and need very special buttons?
And do you own a 3D-Printer?
Then there is a solution to your problems - The Parametric-Button-Generator!
Download the openscad file, adjust the parameters and print your buttons
personalizing an Ikea pen holder with an 3D-Printer
Generative Battery Compartment