I see the problem:
The three buttons that you mentions are disabled because I'm coding a new baseshape format (just forgot to mention on the
The original format was a text based one and didn't include the binary baseshape data (dmaps, textures and meshes).
The new one include all data and also will work in groups, so you can create a structure made of multiple baseshapes and
change for all parameters like position, scale, iteration depth and the like. I'm working on it and I hope that all will be ready