Found those :
http://sinreiinfinity.blog33.fc2.com/blog-entry-85.html
http://tobimorieko.blog.fc2.com/blog-entry-19.html
http://tobimorieko.blog.fc2.com/blog-entry-19.html
All on Pinterest, but as I don't own an account I can't scroll much. I tried "animal crossing pattern spring brick" on Google and that's what came, so I guess you can find the exact same this way - or other who really looks like the one you want.