3. Exercises

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Exercices 1

and try your hand on it. Apply the four steps previously described:

1. Put a crossing at the middle of each edge.
2. Connect the bits with one another using the maze.
3. Emphasize the over/under feature with the guide.
4. Widen the road, first the bridges then each side of the road.

The files in K3D format for Steven Abbott software.

Remember, each crossing occurs at the middle of an edge and each edge bears a crossing.

One edge = one crossing

And to connect the bits, repeat:

Follow the wall, turn the corner, follow the wall.

If you don’t succeed the first time, don’t despair and have a peep at the answers.