Distributors are modules that are useful for placing multiple copies of a child across a line, area, volume, or ring. Many transforms have one or more distributive variation.

A curated list of awesome LEGO software, archives, links, and other resources.

If you think about it, STL files are like PDF files. You usually create them using some other program, export them, and then expect them to print. But you rarely do serious editing on a PDF or an STL.