Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Intro to CAD Lesson2

Units 5 & 6 (Basic Shapes , Object Selection, & Symmetry)

Command/OptionDefinition
Select Options Methods for selecting entities on the screen in AutoCAD
Entity The smallest predefined element in a drawing
Selection Set Allows you to group objects (entities) together for modification.
Window option Selects entities completely inside the box.
Crossing option. Selects entities inside the box as well as any it touches.
Remove option Changes from Select Objects to Remove Objects
Add option Changes Remove Objects back to Select Objects
Last option Selects the last entity you created.
Previous option Selects the previous selection set.
Fence option Draws a series of lines that selects any objects the line touches.
GRIPS Handles that allow you to select objects before applying the command.
CPOLY option Similar to a crossing box, but allows you to create an irregular shape polygon that selects all entities inside as well as any it touches.
WPOLY option Similar to Window, but allows you to create an irregular poly window around objects to be selected and selects only those completely inside.
All option Selects all entities within the drawing.
OOPS command Restores the previously erased object.
UNDO command Reverse the previous command(s).
REDO command reverses the previous Undo command.
Types of entities in AutoCAD Lines, Arcs, Circles, Dimensions, Text, Blocks, Points, Shapes, & Solids.
Verb/Noun Selection Technique Traditional method of selecting objects. Select a command, then select objects.
Noun/Verb Selection Technique Utilizes Grips to reverse this process. Selects entities first, then applies the command.
5 Commands Available using GRIPS Mirror, Stretch, Rotate, Move, and Scale
3 types of Symmetry Reflection, Rotation, Translation
Regular Polygon All sides are equal, internal angles are equal.
Pentagon 5 sided regular polygon.
Hexagon 6 sided regular polygon.
Octagon 8 sided regular poygon.
Inscribed Inside the imaginary circle.
Circumscribed Outside the imaginary circle.
Rectangle Opposite sides are equal, internal angles are 90 degrees.
Square All four sides are equal, internal angles are 90 degrees.
DONUT command Produces solid-filled or thick lined circles.
Radius 1/2 the diameter of a circle.
ARC continue option Continues an arc tangent to the previous arc.
ERASE command Deletes objects selected by the user.
Concentric Two or more circles that share the same center.
Eccentric Two or more circles that do not share the same center.
Command Alias Abbreviations that usually consist of the first 1-3 letters of a command name.
ESC key Cancels the previously selected command or action.
LINE command Allows you to draw a line in any direction.
ORTHO mode Forces a line to be drawn either horizontally or vertically.
Rubber-Band effect Stretching effect when drawing command is active that let's you see the arc, circle, line, etc., "grow" on the screen.
How do you re-enter the previous command? Space bar, Enter key, or Right-Mouse click.
Created by: tmurphy