Yet Another Mendel Frame Vertex

Wanted something that would print /fast/ with firmwares that have lookahead acceleration, however this turned out to be a better exercise of bridging algorithms and settings

I took inspiration from many of the other vertices here on thingiverse but ultimately hacked up the vertex in prusa's repository

***UPDATED 9 November***
Posted updated scad, and M8 STL

***UPDATED 14 November***
Added a block between horizontal and vertical holes, for extra stiffness when installed.