lightweight structure version 1

This is a part of my adventures designing organic, light weight yet rigid "building blocks" for robotics. version one has a "technical" design, see version 2 and 3 for more organic looks.
Here is the solid version and the voronised version for download.
See my blog for the full journey & video: http://assadollahi.de/three-iterations-of-light-weight-organic-building-blocks-for-robots/

printed on heatbed 50° / blue tape / 200° PLA. Anet A8, prusa i3 clone, Cura 14.07.