Bowden Adapter for PC4-M6

Remixed from: http://www.thingiverse.com/thing:1505692
Inspired from: http://www.thingiverse.com/thing:1241948
Push-fit connector: PC4-M6

##Updates
- 2016-11-28 Fixed vertex
- 2017-02-17 Changed the page title
- 2017-02-19 Added hole diameter expanded version
- 2017-02-19 Moved some vertices to the back
- 2017-02-19 Unified into a model with a large hole diameter
- 2017-02-21 Added WEDGE1.75_103percent-hole.STL

##Print Settings
Infill: 90%
Supports: Yes
Supports everywhere: No

##What to do if the PTFE tube does not reach the bottom inside the connector
It will be improved by cutting a part of the push-fit part.

##How to reduce backlash
Wrapping twist ties around the neck of the connector can reduce backlash.