Customized version of http://www.thingiverse.com/thing:340321
Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=340321
Using the following options:
BlockWidth = 2
Name = RIO
BlockLength = 4
Category: Construction ToysThe author marked this model as their own original creation. Imported from Thingiverse.