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.
Link for download extensions.sketchup.com/en/content/lss-matrix