The base used is the XRP Robotics chasis (Entry for the competetion), and has 2 main modules, the dirt centralisation and dirt collection. The brushes for the first and roller for the Latter are to be printed in TPU and everything else in PLA. The print is possible without any supports, the large frame in the back is to be printed in sections (Based on bed size) and melted together/plastic welded/joined using a 3d pen.
The author marked this model as their own original creation.