This coupler connects two bowden tube securely together. in combination with two (M10) PC4-01 bowden pneumatic push connectors.

There are a circular and hexagonal version.

And a additional one which doesn't need to be drilled out, but not all slicer uses bridging correctly.

Print Settings

Rafts:

Doesn't Matter

Supports: 

No

Notes:

Brim might help with bed adhesion