I'm currently working on a version two, i suggest so wait a week or two before starting to print.

Those track are design to be fit on a 3DSets Rancher but may also be fit on the Landy.

What you will need to buy:

4 X 6700ZZ bearings https://amzn.to/2SZAMmU
20 X 608-2RS bearings https://amzn.to/2HGASun
4 X 55mm shock absorber https://amzn.to/2SKaJ46
1 X Track https://bit.ly/2PcDOTG
20 X M3X25mm screws
75 X M2X6mm Screw