Another model created in Google SketchUp and exported to Trainz with RubyTMIX. In 1530 this defensive tower was built at Riddarholmen, Stockholm. It was part of the fortifacation construction in the era of Gustav Vasa. It has some additional construction at 1750 and it was raised with 1 floor. Now the tower is a part of the office were the Chancellor of Justice works. Model made by Stefan Larsson.