The rotate3d() CSS transform-function is a thing in Cwicly already.
Please add the translate3d() and scale3d() functions to Design → Transforms panel too.
Since we have the perspective property and perspective() function available, this would be a great addition.
All 3d functions could be grouped together or even receive a dedicated tab.
Another approach could be something like this, if nothing speaks against a limitation:
Thanks for considering; feedback as always appreciated.