I scanned this Briegel, which is a local type of bread roll here in Germany with the Creality Scan Ferret Pro 3D scanner. More infos: https://de.wikipedia.org/wiki/Seele_(Geb%C3%A4ck)#Varianten It is a 3D scan of a real object and it is not directly designed for FDM printing the bottom is not 100% flat. You can use it as a prop, edit it further or use it in another model for example.