Step-by-step guide to dual extrusion setups

Nowadays, desktop 3D printers that come with 2 extruders are more powerful and affordable. (the latest A10M is available for merely $259 after a discount, with an upgraded motherboard/LCD/Frame). Still, many, especially beginners are intimidated by those dual extrusion systems. In light of this, I am presenting to you this step-by-step guide to dual extruder…