Undercarriage Blade Mount for Traxxas X-maxx

Every year for several weeks, I get inundated by dandelions on the weeded portion of the property. I had a GoPro mounted to the X Maxx, pointed to the rear, capturing the destruction of 1000's of dandelions at about 50mph. Watching the footage I realized it would be much better if the pesky weeds were clean cut and flying about. So this ridiculous project was born. The mounting base should line up with the middle four screws.

I will add a couple pictures when finished. Currently printing the