I retrieve this old post because I wasn't satisfied by my result : Actually, I'm trying to set some fixed values to a mesh bounding box, different from the computed ones. I would like these fixed values to keep stored then forever, so not recomputed. http://www.babylonjs-playground.com/#1OOAYL what I did ? I created a mesh, then scaled its BB, then froze its World Matrix so it isn't computed any longer. I expected to keep and display the BB scaled values... this is not what I g