Our garden gate only had a latch to close it, and the mechanism for opening it worked only via a switch inside the house or with a key. However, beneath the cover plate, there was a regular locking mechanism for a door handle, but the cover plate only had a fixed, non-rotatable handle. 

With the 3D model presented here, we can once again open and close the gate directly using a hidden mechanism under the cover plate. To do this, the upper crown just needs to be tilted to the right, and the latch is activated. 

The function is not visible from the outside, and without any indication, the gate remains inaccessible directly.