The document describes several geometric shapes that can be drawn by giving commands to move forward and turn specific angles. It includes instructions to draw a square by repeating forward and right turn movements, a rectangle with forward, right turn, and forward movements repeated twice, a scalene triangle with forward and left/right turn movements repeated, a pentagon with forward and left turn movements repeated 5 times, a trapezium with forward and right turn movements repeated in different patterns 3 times, a decagon with forward and left turn movements repeated 10 times, and a tunnel pattern with a circle movement repeated 9999 times.

1. Microworlds
By Jack

2. Square
Repeat 4
Fd 150
Rt 90

3. Rectangle
Repeat 2
Fd 200
Rt 90
Fd 80
Rt 90

4. Triangle and Scalene Triangle
Scalene Triangle
Fd 100 Rt 90
Lt 120 Repeat 3
Fd 100 Fd 100
Lt 100 Lt 120
Fd 135
Lt 140
Fd 100

5. Pentagon
Lt 54
Repeat 5
Fd 50
Lt 72

6. Trapezium
Repeat 3
Rt 45
Fd 75
Stop
Repeat
Rt 135
Fd 180

7. Decagon
Rt 18
Repeat 10
Fd 50
Lt 36

8. Tunnel pattern
Repeat 9999
Circle
Fd 1