Printed vertex do Not last long and will change the shape :-(
And RobotDigg takes 2020, 2040 and 3030 Aluminum Vertex anodized for Delta Robot, not only 3D Printing, but also laser cut, pick and place, glue dispense etc :-)
[www.robotdigg.com]
Good news you've made new corners without the extrusion slot notches! Now we can use any locally available extrusion instead of ordering from china with large postage fees.