Here is a Blender object and file. Cottage complete contains a blender file and an object file.
It can be used to practice whatever you want to. Materials are color only and scene is setup.
Unzip blend file and open in your version of Blender.
Unzip object file and edit in any object editor.
https://www.dropbox.com/sh/s1isbofa32to7c7/AAD_0TrIS75BQLRsn4kpk-4Ja?dl=0