Deck 42: Isometric Sketching

Question 1

List the steps in making a simple isometric sketch.

Answer 1

STEP 1 Sketch the three isometric axes. If a ruled isometric sheet is available, select three lines for the major axes.
STEP 2 Lay off the 3" length along the right axis, the 20 depth on the left axis line, and the 10 height on the vertical axis line.
STEP 3 Draw lines from these layout points parallel to the three axes. Note that all parallel lines on the object are parallel on the sketch.
STEP 4 Dimension the sketch. On isometric sketches, the dimensions are placed parallel to the edges.

Question 2

The isometric sketch is built around three major lines called ____ or axes.

A) isometric baselines
B) relative baselines
C) reference baselines
D) vertical baselines

Answer 2

A

Question 3

An object is sketched in isometric by positioning it so that the part seems to rest on ____.

A) the front face
B) one corner
C) the back face
D) its top

Answer 3

B

Question 4

Describe the purpose of isometric and oblique sketches.

Question 5

Explain how layout sheets are used in isometric sketches.

Question 6

The right-side and left-side isometric base lines each form an angle of ____ with the horizontal.

A) 15°
B) 30°
C) 60°
D) 90°

Question 7

Identify the steps of sketching circles in isometric identified in the accompanying figure.

Question 8

____ representing inclined surfaces are not shown in their true lengths in isometric sketches.

A) Perspective lines
B) Vertical base lines
C) Slant lines
D) Horizontal base lines

Question 9

The vertical axis line in an isometric sketch forms an angle of ____ with the horizontal base line.

A) 15°
B) 30°
C) 60°
D) 90°

Question 10

Describe how isometric sketches are frequently drawn.

Question 11

Describe the sketch in the accompanying figure.