Adding an Endurance Laser to a Wanhao Duplicator I3 : 4 Steps - Instructables
2018 Best selling! WANHAO I3 V2.1 single extruder 3d printer upgraded to V2, 1 version, with free filament for testing|wanhao i3|3d printerbest 3d printer - AliExpress
Wanhao Duplicator i3 v2.1 PTFE Filament Guide and Mount (compatible with z-braces mod) by FChamberlain - Thingiverse