How to change the size in Compass 3D so that all dependents rebuild in the same way?

Question

IT education

There is a cylinder, its size must be increased in diameter, but so that all rings, grooves, pistons increase, while maintaining all the gaps between them.

Answer 1

To do this, you need to make a parametrization
1) open the variable tree
2) the dimensions that you want must be set by variables, as well as linking these dimensions to each other with some specific function
, although in general, if you want to increase / decrease everything at the same time, you can use the zoom tool