The red straw, laid between the mirrors that form an angle of 45°, shows the 3 rotation a...
The yellow straw, laid between the two mirrors that form an angle of 60°, shows the 4 rot...
The green straw, laid between the mirrors that form an angle of 90°, shows the 6 rotation...
The red straw, laid between the mirrors that form an angle of 45°, shows the 3 rotation a...
The green straw, laid between the mirrors that form an angle of 90°, shows the 6 rotation...
The yellow straw, laid between the two mirrors that form an angle of 60°, shows the 4 rot...
The green straw, laid between the two mirrors that form an angle of 90°, shows the 6 rota...
The green straw, laid between the mirrors that form an angle of 90°, shows the 6 rotation...
The red straw, laid between the mirrors that form an angle of 45°, shows the 3 rotation a...
The yellow straw, laid between the two mirrors that form an angle of 60°, shows the 4 rot...
