Orthographic Drawing

Orthographic Projections are a collection of 2-D drawings that work together to give an accurate overall representation of an object. These technical drawings can contain enough information to be used as a set of instructions to inform the construction of the product drawn.

3rd Angle Projection | TECHNIAThird Angle projection is a method of orthographic projection which is a technique in portraying a 3D design using a series of 2D views.

What is the difference between 1st and 3rd angle orthographic projection?

The video on the left explains in detail the difference between 1st and 3rd angle projection.

For your work you are completing a 3rd angle orthographic projection.

Google SketchUp 3rd angle Orthographic projection:

There are ways of creating the view for orthographic projection but they do not let you set up your page with the text boxes required for the final presentation. The drawings could be exported to another program to do this. The advantage of using Google SketchUp is if you have already completed an accurate to size drawing of your final design as a model.

Below are links to videos of how to do this. in Google SketchUp for schools.

Fusion 360 3rd angle Orthographic projection:

It is possible to create an orthographic drawing from a 3D drawing in Fusion 360. It is generated from the 3D drawing you create and lays it out on a page with the relevant text boxes needed for orthographic drawing. This is a very accurate way of completing it that includes correct standards. You can use Fusion 360 through your browser, you just need to create an account, link below.

There are plenty of tutorials available on YouTube to help you, links some are below.

How to edit drawing preferences for either first or third angle projected views in the Drawings workspace of Fusion 360. To switch between first and third angle projected views in Fusion 360: Enter the Preferences dialogue box by clicking on your name in the upper right hand corner of Fusion and 360 and selecting Preferences from the dropdown menu. Enter the General > Drawing page and select either ISO or ASME in the Standard fieldknowledge.autodesk.com/support/fusion-360/learn-explore/caas/sfdcarticles/sfdcarticles/Creating-first-and-third-angle-projected-views-in-Fusion-360.html

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