Organic Hard Surface Modeling ZBrush trick

Here are some images I made in ZBrush, using a very cool trick that I've been playing around with for a while. I also put together a quick guide about this technique which I've found to be very efficient to produce concepts and flesh out ideas for hard surface modeling projects.

Here is the link:
http://www.zbrushguides.com/organic-hard-surface-modelling-trick/

I hope you find it useful!