Scaled down to 87% fits for the SpaceNavigator for Notebooks perfectly
Printer Prusa i3 MK2
Print duration 2:30min
Layer hight 0.2
For Kerbal Space Program?
Nope, I'm using the Space Navigator mainly for Solidworks but thats a nice idea.
I'm not sure if there is a Driverprofile for KSP :/
[EDIT] Just had a look ... it's not supported natvely but you can use the "HID/Joystick-Mode" Nice!