This is a remix of the original arm guide here:
https://github.com/VoronDesign/VoronUsers/tree/master/printer_mods/Galvanic/Bowden_Tube_Guide
I have increased the bowden hole size from 4.1 to 5mm as I find its easier to fit over various bowden tubes available and easier to fit.
Use the original mounting bracket from Github along with this.
The author remixed this model.