To read a set of views, combine what each one shows until you can describe the solid in all three directions. Each view gives two of the three measurements: width, height and depth.
This lesson is part of SPM subjects and learning resources. After you can read views, move on to checking consistency between views.
What does each view tell you?
Every view is a flat picture taken from one direction. The table shows which two measurements appear in each.
| View | Looks from | Shows |
|---|---|---|
| Front view | In front | Width and height |
| Top view (plan) | Above | Width and depth |
| Side view | The right side | Depth and height |
The shared measurements help you check your reading. Width appears in both the front and top views, and height appears in both the front and side views.
Worked example: a wall bracket
This original bracket is described in millimetres. Picture the three views from the written description, as you would from a written brief.
- Front view: an outline 60 wide and 50 high, with one horizontal line 20 up from the bottom edge.
- Top view: an outline 60 wide and 40 deep, with one line parallel to the back edge, 10 from the back.
- Side view (from the right): an L-shape 40 wide and 50 high. The base is 20 high, and a narrow upright 10 wide and 30 high stands on the right side of the L.
Step 1: read the front view. The outline says the whole solid is 60 wide and 50 high. The line at 20 tells you the height changes there.
Step 2: read the top view. The solid is 40 deep. The line 10 from the back marks where a different part begins, a strip 10 deep along the back.
Step 3: read the side view. It combines both clues. A 20-high base runs the full 40 depth, and a 10-deep upright rises another 30 at the back. Looking from the right, the back of the solid is on your right-hand side, which is why the upright is drawn there.
Result. The bracket is a rectangular base 60 × 40 × 20 with a wall 60 long, 10 deep and 30 high standing along its back edge. The total height is 20 + 30 = 50, which matches the front view.
The mistake that costs marks
Many students read the front view only and picture a plain block 60 × 50. They then ignore the horizontal line at 20 or treat it as decoration.
A line inside a view always means something. Here it marks where the flat top of the base meets the front of the wall. The top and side views confirm this, so read in this order: front, then top, then side. Each new view must agree with the solid you have built so far.
Check yourself
An original block has these views. Front: outline 50 wide and 30 high, with a horizontal line 10 up from the bottom edge.
Top: outline 50 wide and 30 deep, with a line parallel to the front edge, 10 back from it. Side (from the right): a stepped outline 30 wide and 30 high, where the left 10 is only 10 high and the right 20 is the full 30 high. Describe the solid and give its largest dimension.
Answer
The side view shows the step clearly. Looking from the right, the front of the solid is on your left, so the low part is at the front. A low step 10 deep and 10 high runs along the front, and a taller body 20 deep and 30 high sits behind it.
The front view agrees: the line at 10 is the top edge of the low step, and the taller body shows above it. The top view agrees too: the line 10 back from the front edge is where the step ends and the tall body begins. The width is 50 throughout.
The largest dimension is the width, 50. If you pictured a plain 50 × 30 × 30 block, look again at the lines inside the views, because each one marks a change of surface.
What to study next
Continue with checking consistency between views, which shows how to test that three views really belong to one solid. Then try the original practice set.
If you want a teacher to sketch with you and question how you read each view, see online one-to-one Technical Communication Graphics tuition. Drawing work assessed by your school remains at school.