This simple device is placed right next to your door.

When no key is present, the lever will simply hang downwards.
The door is not blocked.

When there is a key present, the lever will turn and block the door.
The door is blocked until you take your keys.

How to print:

Always print base.stl.
If the device is placed on the left of the door, like seen in the pictures, print LeftOfDoor.stl.
Otherwise print RightOfDoor.stl.

Raise3D

Pro2

Doesn't Matter

Yes

Standard