I made tutorial video on how to make a MILS module. MILS is a standard that helps you to coordinate your building with other Lego builders. I also find it to be very helpful when building a sturdy foundation for your creations. I will be publishing a series of these videos so stay tuned for more instructions.
The Video
The MILS standard is published by the Hispabrick magazine so you can visit their website for details http://www.hispabrickmagazine.com/en/content/hbm013-modular-integrated-landscaping-system-i