Answer: I believe it is tracing!
Explanation:
I am not One Hundred Percent sure, but I am led to believe as such as it still provides a guideline for the pencil to follow, though not hard edged and focuses more on the stability of your hand and your precision.
Answer:
for faster answer post under math
Explanation:
Draw every line from the vanishing point. Every line should either be vertical or parallel and completely straight. Remember that you are basically just drawing lines and boxes.
The term that describes the optical trick of swelling columns at midpoint, which was used in the design of the Parthenon is entasis.
If you take a look at the ancient Greek columns, you will see that they are a bit wider in the middle - so the column is not completely straight, but rather swells up in the middle so as to "correct the visual illusion of concavity." It was often used by artists in the ancient Greek times.
