Quadcopter FPV 250 propeller guard and landing gear for 6030 / 5030

I am totally in love with quadcopter, and so I bought myself a FPV 250. As newbie to this, I didn't think about how fragile the carbon props are compared to my skill ...

Lesson learnt, so I made this propeller guard, in hope it will save the next props I bought.

UPDATE 20150420-1200: I have added landing gears which could be mounted with cable ties or can be screwed with 3mm, so battery has enough space below. Additionally, I have modified the guards to take these landing gears and bo