This mini-unit teaches students how to get started with CAD using Onshape. Onshape is a free, browser-based CAD software that is a great alternative to Autodesk or Tinkercad. It offers the professional, parametric approach to CAD that Autodesk offers while allowing students to create 3D models from any device (Windows, Mac, ChromeOS, smart phone) connected to the internet.

This introductory section is great for absolute beginners to CAD as well as those who have used other software in the past. It contains step by step instructions with screen captures of the software to help students visualize the process.

Skills covered:

-Importing an existing 3D model

-Mating parts

-Degrees of freedom

-Assembling basic shapes (rectangles, parallelograms, and triangles)

3 basic assignments and a design activity are also given, in addition to all 3D models needed for assembly. All assignments listed are linked to a working document on Onshape to allow the students to see the finished product in 3 dimensions.

Total Pages

11 pages

Answer Key

N/A

Teaching Duration

4 days

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Standards

to see state-specific standards (only available in the US).

NGSSMS-ETS1-4

Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.

NGSSHS-ETS1-4

Use a computer simulation to model the impact of proposed solutions to a complex real-world problem with numerous criteria and constraints on interactions within and between systems relevant to the problem.

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