I have created a Base for diecast Car models in 1/24 scale, compatible with Burago 1/24 models just print it and bolt on!
It has similar shape and design as the Burago one, but centered in the middle. You can resize to get a base for other models or scales with no worries, easy printing with 0.25 or 0.4 nozzle with no need of supports at all the more filling material you add the stiffer the base will get, Recommended PLA.