Up until recently, I was using tinker cad for a lot of my modeling. There are a handful of features they have that you might want to think about implementing down the line.
One of which is seeing the full dimensions of a shape. Currently on an object I can only get it to tell me the width across from either face but not the height. It would be nice that when you double tap the object it gives you all 3 dimensions at once.
Currently all I can get is this: