CAD, Forces, and 3D Printing Concepts

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Questions and Answers

What type of force is being applied in the image shown?

  • Bending
  • Compression
  • Torsion
  • Shear (correct)

What does CAD stand for in Onshape, a 3D CAD software?

  • Computing and Data
  • Computer Aided Design (correct)
  • Computer Assisted Design
  • Computers and Drawing

What type of bridge is shown in the picture below?

  • Beam Bridge
  • Cable Stayed Bridge
  • Cantilever Bridge (correct)
  • Suspension Bridge

What tool has most likely been used to create the green part from the blue part?

<p>Mirror Tool (A)</p> Signup and view all the answers

What type of CAD operation is shown in the image below?

<p>Extrude (C)</p> Signup and view all the answers

Which of the following is the best orientation to print the shape shown?

<p>C (D)</p> Signup and view all the answers

What is the primary method of cutting used by scissors?

<p>Shear (C)</p> Signup and view all the answers

Which of the following forces is typically associated with twisting?

<p>Torsion (D)</p> Signup and view all the answers

What is the process called when a 2D shape is turned into a 3D shape?

<p>Extrude (C)</p> Signup and view all the answers

Which of the following types of bridges uses cables and towers?

<p>Cable Stayed Bridge (C)</p> Signup and view all the answers

What is the purpose of support in 3D printing?

<p>To prevent overhanging features (B)</p> Signup and view all the answers

What type of software is Onshape an example of?

<p>3D CAD software (D)</p> Signup and view all the answers

Which of the following shapes will fail without support during 3D printing?

<p>D (A)</p> Signup and view all the answers

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Study Notes

Bridge Types

  • The picture depicts a Cantilever Bridge.
  • The picture depicts a Suspension Bridge.

CAD Software

  • Onshape is an example of 3D CAD software.
  • CAD stands for Computer Aided Design.

CAD Operations

  • The image shows a 2D sketch being turned into a 3D shape, which is an Extrude operation.

CAD Tools

  • The green part on the left has been created using the blue part on the right, and the Mirror Tool has most likely been used.

Forces

  • The image shows a Compression force being applied.
  • The image shows a Torsion force being applied.
  • Scissors cut paper primarily using the Shear force.

3D Printing

  • The best orientation to print the shape shown is [answer depends on the shape].
  • The 3D printed shape that will fail without support is [answer depends on the shape].

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