a simple standard sized button —

Founded a simple standard sized button models & stl files for printing
Lego buttons
JuanCallon
Geared Button 2 Holes
SHAXperiment
Flower Button
djedje_zr7
Geared Button 4 Holes
SHAXperiment
Tesla button
bartosslajos
Coat button
makethingswith
Dice Buttons
UnLemon