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11.00 Introduction

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We will continue learning parametric modeling in Fusion 360. Parametric modeling allows us to change our design depending on the materials that will be used to fabricate it as well as certain parameters that we might want to change for different users. In the previous project we learned about user parameters. We will continue to use user parameters in our designs and learn how to use formulas to make other dimensions driven by parameters. We may want to easily customize a design and fabricate it at a different height without actually remodeling everything. With parametric modeling we can set the height of a stool or table as a user parameter in our model and then have other dimensions of the design driven by that height. Simply typing a new value for the height will update the rest of the model.

Everything is not a nail.

We will combine 3D printing and CNC machining to focus on the strengths and weaknesses of each digital fabrication process.

Learning Objectives

  • Conduct design research on existing CNC fabrication and design solutions
  • Use ideation sketches and iteration sketches to design a structure for CNC fabrication
  • Scale cardboard to different plywood thicknesses
  • Fabricate accurate, scale cardboard model of sketches of CNC design
  • Understand the difference between laser cutting, 3D printing, and CNC machining

Key Terms

  • Parametric Modeling
  • CNC
  • Scale Factor
  • Prototype Model
  • Pocket Cut
  • Lap Joint
  • Mortise and Tenon Joint