4.18-4.20 TORUS

What is a three-dimensional torus?

• A 3D torus is a type of fruit.
• A 3D torus is a three-dimensional shape that resembles a donut or a bagel.
• A 3D torus is a mathematical equation.
• A 3D torus is a type of computer software.

Match the application with a brief description:

Groups:

(a) Tire Tubes

,

(b) Lifebuoys

,

(c) Doughnuts

,

(d) Bracelets and Bangles

• 
• Utilized in water safety, ensuring buoyancy and visibility.

• 
• Designing jewelry considering various thicknesses and styles.

• 
• A type of fried dough confection or dessert food.

• 
• Designing inflatable tire tubes for various vehicles.

Which modifier do you find most challenging to use when working with the TORUS command?

• Center point

• 3P (Three Points)

• TTR (Tangent, Tangent, Radius)

• 2P (Two Points)

• None of these options

How often do you use the shortcuts in AutoCAD?

• Always

• Sometimes

• Rarely

• Never

How comfortable do you feel using the TORUS command in AutoCAD?

• Very comfortable

• Somewhat comfortable

• Not comfortable

• I have not used it yet

Draw a simple torus and label the “Radius” and the “Tube Radius.”

List three products that can be created using the TORUS command in AutoCAD.

Match the following misconceptions and answers.

• Can I use a torus to create a oval shape

• One radius defines the torus size; the other, the tube thickness.

• What do you call one or more tori?

• Yes, a negative radius creates an elliptical torus.

• Why does it need two radii?

• Yes, blue grips modify torus size and shape.

• Can I edit a torus shape with the grips?

• A single is a "torus," multiple are "tori."

Match the following modifiers with their purpose

• 3P (Three Points)

• Defines the circumference of the torus with two points that you specify.

• Diameter

  2P (Two Points)

• Defines the circumference of the torus with three points that you specify.

• TTR (Tangent, Tangent, Radius)

• Center Point

• Specifies the center point of the torus.

• Defines the torus with a specified radius tangent to two objects.

Reorder the following steps to create a torus.

• Create a torus by specifying the center.

• Specify the radius or diameter of the tube.

• Specify the radius or diameter of the torus.

• Type "TOR" or press the "TORUS" command