Bowden Y adapter for dual filament printing

This is a Y-adapter to support dual filament printing with a single hot end for Bowden printers.. I am using it in an experimental setup on my home brew delta to see if I can make reliable dual filament prints.

This adapter is intended to enable two cold-end extruders to feed to a single hot end. It is designed to work with M6 push-fit connectors and 1.75mm PLA.

To build it, print out two copies of the parts and bolt together. Screw the M6 connectors into the sockets, tapping them in as