day 7

I began working on the model and it’s mould, and this process lasted until day 8. I’ve included some of the screenshots of the model.

The model is composite: a cylinder, a hemisphere, and a revolved curve to form the surface.


  • Model diameter: 1.5 meters
  • Cylinder height: 5 meters
  • Hemisphere diameter: 1.5 metres
  • Pipe Diameter: 0.15 meters
  • Total model height = 6 metres
  • Total tank capacity: 5.3 cubic metres (5, 300 litres)

The protrusions are pipes, and one construction line can be seen:

I then generated a mould and split it, but then I kept having repetitive problems, because of misalignment (i.e. all objects should have been snapped to a common central axis, hence the cutting plane would have been perfectly aligned), which I discovered the following day. The misalignment prevented a sufficient surface capping and splitting.


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