3030 Cable Tie Down No Supports.

I liked the original but wanted to make the counterbore need no supports as well as widen the notches to engage the 3030 slot better. 

I also made a 2x2 plate of them with sprues to help with bed adhesion if anyone was interested in that. 

Made the counterbore support-less and widened the 3030 notch to fill out my Misumi rails.