Case for Rumba Mainboard plus Full Graphic Smart Controller with 80x80mm Fan and Airguide. use M3x40mm screws to fix the two big parts together. the 2020_Clips are made to Clip the whole Thing on a mendelmax or T-maxx Base.used Hardware: http://reprap.org/wiki/RUMBAhttp://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller