This is the model at stage 3 of the build. It is 43 centimetres long and 26 centimetres wide, so getting quite big. But I am only a quarter of the way through the build.
Side View
As you can see it nearly fills our kitchen table. It is upside-down in the photo as it would normally sit on the four red pads at each corner. Click on the photo to see a bigger image.
Top View
This view shows how complicated it has been to build so far.
End View
This closer view shows how many cogs and gears are used. When it’s finished the wheels will fit on those turrets sticking out.