@Dinnye Yes, this.
Use hard risers, no stainless steel in your hardware stack, use brass washers, and tighten it TIGHT. You don’t want the stack twisting on you, it’s not fun. For stacks that high I’d strongly consider pinning them and/or epoxying them together.
I’ve never gone over 39mm tall…
…except this which was ephemeral and not seriously designed for transportation, just for jokes and photo opportunities.