Wanhao Duplicator i3 Y-Axis extension

This is a modification which allows for a 200x300mm heated bed to work on a Wanhao i3 Duplicator.

You will need the following parts for it:

MK2A 300x200x3.0mm PCB Aluminum Heatbed
If you search for this term on aliexpress you will find it (MK2A 300*200*3.0mm RepRap RAMPS 1.4 PCB Aluminum Heatbed heated bed MK3 For 3D Printer / MK2B 300x200x3.0mm)
http://www.aliexpress.com/item/MK2A-300-200-3-0mm-RepRap-RAMPS-1-4-PCB-Aluminum-Heatbed-heated-bed-MK3-For/32581755544.html

Aluminum Y Carri