Changing table hinge for front door and barrier height increase

The hinges can be used to add a front door to a changing table. Useful to prevent the baby from falling when it has to be left alone for a short time. It may be necessary to increase the wall height - depends on the  changing table used.

A wood board is necessary to build it. It should be around 17mm thick. 

The mushroom shaped connectors are  directly screwed into the board. Use long screws for stability.