AutoCAD - Using modify commands

Last Updated on 18-September-2012

Review of Object SelectionErase, Extend, TrimDuplication: Copy, Offset, Mirror

Class assignmentMove, Rotate

Home assignmentArrays

Class assignment

Window SelectionCrossing SelectionHold Shift + Select Objects

Any Idea what do these commands do?

Deletes an Entire Object

Method 1

Method 2

•Lengthens an object to a selected boundary. •Valid for Lines and Arcs

Method 1

Method 2

If Multiple objects are between selection

Universal Method

•Shortens an object to a selected boundary. •Removes the excess

Method 1

if there are multiple intersections in between the boundary and the line to trim

•Shortens an object to a selected boundary. •Removes the excess

Method 1

Method 2

if there are multiple intersections in between the boundary and the line to trim

Universal Method

CopyOffsetMirror

Creates a new copy to be placed at desired location

Method 1:

Method 2:

SIMPLE COPY & PASTE

BASE POINT METHOD

COPY WITH BASE POINT METHODS

Method 1

Method 2

Seems to Trace same object at the specified distance

Method

Seems to Trace same object at the specified distance

Method

Exercise

Practice to create concentric Arcs and Parallel lines

•Useful for creating symmetrical objects.•Draw half the object quickly and mirror it

Method 1

20

R15

Create Object then place it

•MOVES FROMS ONE POINT TO ANOTHER

Method

•Useful for creating symmetrical objects.•Draw half the object quickly and mirror it

Method 1

Problem 13-1 Draw Projections of a Triangular Prism,

base40 mm side and axis 50 mm long, resting on one of its bases on the H.P. with a vertical axis perpendicular to VP

a)As the axis is perpendicular to the ground that is HP begin with the top view it will an equilateral triangle of sides 40 mm long with one of its sides perpendicular to XY.

b)Project the front view which will be a rectangle.

Definition: A rectangular arrangement of quantities in rows and columns

Types of Arrays RECTANGULAR ARRAY POLAR ARRAY

•Creates Rectangular Arrays of Objects

Method

•Creates circular matrix of objects

Method

Sulaiman Dawood Barry sd_barry@yahoo.com +92-321-8707987