The kobuki foundation by itself isn't going to drift, so it is sensible that the tilted inertia triggers the drift. Certainly I can hack my URDF having a weightless superstructure, but I wished to correct this in a far more sensible way. I tried all I'm able to consider, and https://www.uk-exhibitionstands.co.uk/product-category/pop-ups-and-banner-stands/banner-stands/