The kobuki base alone won't drift, so it is smart that the tilted inertia leads to the drift. Obviously I'm able to hack my URDF using a weightless superstructure, but I wanted to fix this in a more real looking way. I tried all I am able to contemplate, and https://www.uk-exhibitionstands.co.uk/product-category/pop-ups-and-banner-stands/pop-up-display/