About this 3D model

This is a 3 extruder setup with a single hot-end combining nozzle, to 'mix' and blend coloured filament plastic or different materials on a RepRap or other 3D printer. Also check out my blog at www.richrap.blogspot.com and website at www.richrap.com And Youtube Channel - http://www.youtube.com/user/RichRap2011