Question

A 3D illusion painting is created on a road. Shown on the left is how it appears to a viewer in perspective. If this illusion has to be sketched on paper, before it is painted, which one of the options on the right would be correct? 

• A. A
• B. B
• C. C
• D. D

Hint:

For anamorphic illusion questions, remember the rule: "further means longer." The part of the object you want to appear furthest away in the 3D view must be stretched the longest on the 2D surface.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
This question deals with the principle of anamorphosis, a type of perspective illusion. To make an image appear three-dimensional and undistorted when viewed from a specific, low angle, the artist must pre-distort the image on the flat surface. Specifically, parts of the image that are meant to appear farther away from the viewer must be stretched vertically much more than the parts meant to appear closer.
Step 2: Detailed Explanation:


The image on the left is the final illusion as seen from the correct viewpoint. The rocket appears to be standing upright and launching out of a hole in the ground.
To achieve this effect on a flat surface (the road), the drawing must be elongated along the line of sight of the viewer.
The top of the rocket is the furthest point in the illusion. Therefore, on the flat sketch, it must be stretched the most.
The base of the rocket and the edges of the "hole" are closer to the viewer in the illusion, so they will be stretched less.
Step 3: Analyzing the Options:


(A) This image is shown in an isometric or axonometric projection. It is not stretched enough to create the required low-angle perspective illusion.
(B) This image is extremely elongated vertically. The top of the rocket is stretched significantly more than the bottom. This is the correct anamorphic projection required to make the rocket look upright when viewed from the intended angle.
(C) This image appears squashed and incorrectly distorted.
(D) This image is elongated, but not nearly enough to produce the dramatic 3D effect shown.
Step 4: Final Answer:
Option (B) correctly depicts the necessary pre-distorted sketch that, when viewed from the correct perspective, creates the 3D illusion.