3D printable accessories for Dot and Dash, robots from Wonder Workshop. https://www.makewonder.com/ We are using 8 of the Dash robots for summer STEM camp 2016. Why buy a $40 accessory pack when you can design and 3D print your own? These prototypes were designed in Tinkercad and I recommend opening in Tinkercad and tweaking to meet your needs. Edit it online https://www.tinkercad.com/things/j5Ady395mvw
The fit on these needs work. They are a good fit for decoration but in actual use will pop loose when they hit an obstruction. The pieces with vertical blocks are intended to hold cardboard to make a bulldozer blade. Mirror the part in your slicer to get right side and left side pieces.