Custom Object Nudging: How to create shortcuts to move groups from 10, 20 ou 50px

Sometime, the grid is perfect. But other times, it would be immensly useful to move things to … more than the grid. For example, move that to the right to 50px further. And a little bit later, move that to the top 100px. Is this possible?

I tend to use these if I want to move a graphic a specific larger amount, as it’s easier than using the Geometry inspector for me. I’m interested in what other people do. It’s also possible to use the alignment inspector values to distribute objects vertically and horizontally.