The original CW01 double wishbone front suspension (created in 2015) will allow you to upgrade your Midnight Pumpkin, Lunchbox and Montero. There are two variations of the arms (the shorter standard arms and the 8mm offset arms). Please see the installation video below which will cover all the hardware you will need to complete the installation.
Installation Video: https://youtu.be/J7XNSKyuezY
Technical
Shown are parts made in SLS Nylon. FDM parts will work but make sure you set the orientation in an optimal way based on your printer.