Royal Enfield Logo Keychain

thingiverse

You can choose between operating a single extruder machine with the ability to pause at specific heights while switching between different colored filaments or using a dual extruder system that allows you to print with two distinct colors simultaneously. I personally opted for the FabX 4 - Single Extruder Machine (available at https://www.3ding.in/3dprinters/fabx-4), which offers pause functionality at designated heights of 3mm and 4.7mm.