how to define stair-like position to several plane objects? I have some objects that are plane, I want to transform it into a stair-shaped order, like: object 0 - Z: 0.01
object 1 - Z: 0.02
object 3 - Z: 0.03
but without having to do it manually, I can't use the array because they are different objects
Via the UI:
Some variation on this one, which has  all  steps in XY plane, and a top-step target vertex set up, ready?

Pivot: 3D cursor, at bottom step
Snap: To: 'Vertex' With: 'Active', and set to affect 'Scale'
Header Options: Affect only Locations

All steps selected, top step active, SCtrlAlt S .. Y to set the axis, Shear the objects' locations a lttle.
Once a regular stagger is achieved, SZ  scale them, with snap, to the target.

I don't think the Shear axes are what they claim to be in the manual, so there may be some playing required. This shear is executed in Global space, Main axis 'Z', Ortho, 'Y'.