Isometric Drawings

This lesson is intended for EGD students in grade 10. It is assumed that students have some prior drawing experience. This WebQuest should ideally be used to support their knowledge of isometric drawings. It can also be used to evaluate the accumulation of knowledge.

Video: https://youtu.be/qONK9GpJDfE

 As part of a task, students will create an isometric drawing of a piping system. Pictures of pipe systems will be provided to them  

WIth this task, the students gain skill as more complex systems will be shown and drawn

Task instructions: https://mycputac-my.sharepoint.com/:w:/g/personal/220457352_mycput_ac_za/Ec9i4p3cXTNGmqUVLe7w8DwBjFPl6_NkR0fjgJKOvCZrpg?e=FyA9zX

Step 1: The students will take out thier stationery in order to complete the task (a piece of paper, ruler, pencil and protractor)

Step 2: Using the ruler,  Draw the vertical line in the middle

Step 3: Draw the parallel lines at 30° angle of the vertical line.

Step 4: Draw the vertical lines joining the parallel lines

Step 5: Draw the other parallel lines in the correct distance apart

Step 6: Add the remaining lines

Overall neatness:

• Lines are concisely drawn.
• Lettering is done to a high quality (all uppercase).
• Guidelines are fully erased to avoid confusion.

Drawing conforms to orthographic standards:

•  Accuracy of drawing to actual object
• Alignment of views (top view above front view, for example)
• Correct use of symbols (fittings pointed away from or toward viewer)

Drawing conforms to isometric standards:

• Correct use of symbols (i.e., shoulders on fittings)
• Conformity to 30° planes
• Accuracy of drawing to actual project

The teacher will provide a brief summary of the class, going over the steps of creating an isometric drawing. The teacher will play a short clip showing how creative one can be with isometric drawings after marking the work with the students, responding to any queries in the classroom, and offering advice and direction as needed. The purpose of the video is to pique students' interest in the subject.

Via this WebQuest, all students learnt how to draw without using isometric grid paper and were encouraged to express themselves through their artistic ability. I hope the experience was fulfilling for the students and that they were able to take ownership of their research and production.

Video used in conclusion: https://youtu.be/9jW3R85gCEE

Depending on the amount of time and work the teacher expects students to put into their drawings, a WebQuest should take two to three 45–60 minute blocks. The overview of isometric drawings should be the subject of preliminary research by the students. By the end of the first session, teachers should advise students on what they should concentrate on, possibly improper stationary use. Teachers only need a very basic understanding of technology to complete this WebQuest. The teacher just has to know the fundamentals of using the Internet to help the students with their research.