Activity 2.4: Draw and Build Challenge

Activity Description

Now that the students have become familiar with the engineering notation for 3-view drawing, this activity increases the difficulty level. Students will work to construct and draw the correct 3-view of one of the more difficult models on the flashcards. You can also challenge the students to construct and have a partner attempt to draw their own creation in 3-view.

Getting Started

Introduction:

E.Q.: How can we use 2D drawings to create 3D artifacts?

Preparation Needed for the Activity:

8 wooden cubes per student
Rulers
Graph Paper
Flash Cards

Part 1 - Sketching to Communicate: 5 min

We sketch to communicate our ideas to others. This means that other people should be able to reconstruct our structures from our drawings. Today students will build their own structures, draw them, and then have a friend try to rebuild them.

Part 2 - Drawing 8 Cubes/ Flash Cards: 25-30 min

Instruct the students to work on the harder flash card examples, if they are ready, or to develop their own 8 cube configurations and draw the 3-views.

Figure 1: Example 8-cube setup
Figure 2: Shaded—The closer the block face, the darker the shading
Figure 3: 3-Views (engineering)

Six squares drawn next to each other forming 2 columns and 3 rows. The square on the top left is labeled 3 blocks. The square on the top right is labeled 0 blocks. The squares on the middle left and middle right are labeled 2 blocks. The square on the bottom left is labeled 1 block. The square on the bottom right is labeled 0 blocks.

Figure 1

From the top perspective, there's four squares. The first square on the bottom is blank. The second square is stacked on top of the first square and shaded light grey. The third square is stacked on top of the second square and shaded dark grey. The last square is next to the second square and shaded light grey. From the front perspective, there are five squares. The first square on the bottom is shaded dark grey. The second square on top of the first square is shaded light grey. The third square on top of the second square is blank. The fourth square is on the right side of the first square and shaded light grey. The last square is on the right of the second square and stacked on top of the fourth square. It is shaded light grey. From the right perspective, there are six squares. Three blank squares are stacked on top of each other. Two light grey squares are on the left of these at the bottom. There's one last blank square on the bottom connected to the left side of the five squares.

Figure 2

Figure 3

Part 3 - Build from Drawing: 10 min

Students should attempt to create a cube structure from a classmate’s engineering 3-view drawing and/or from a flash card solution.

Part 4 - Discussion and Reflection: 10 min

How do we go from 3D to 2D and back to 3D?

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