This is one example out of infinite number of options for a customizable shaft plane connector. This connector can be tweaked to your own needs at http://3ddoctors.net/templates/connectors/shaftplain.html This shaft plane connector can be used to connect any cylindrical mount to a plane mount. By customizing it, one can change the hole size, location, and much more. to customize, please go to our online template editor: http://3ddoctors.net/templates/connectors/shaftplain.html