How to use LSS Matrix Sketchup Plugin to create a spiral staircase

This is a useful sketchup video tutorial that briefly explains how to apply LSS Matrix sketchup extension to create the design of a spiral staircase instantly.

LSS Matrix extension is developed by Kirill B and it permits copying of groups and component instances in a superior way. It can work only with windows platform.

LSS Matrix outspreads copying functionality and helps in producing custom arrays of groups and/or component instances. As for instance, one can generate circular stair as well as modify settings of generated array of copies any time in future.