This is a Stackable Brick from the 3d printed board game Rust To Dust. Part of the Open Board Game Initiative. Read more and get more models here. kindly add a link to the webpage http://igg.me/at/obg in any attribution of this work. Thankyou.
new models every day so check back.
"through the community, members will be able to hack and modify each other’s pieces to extend gameplay even further – a genius idea!" 3D Printing Industry news. 16 March 2015