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Saturday, 6 January 2018

AutoCAD Important command working Process

 LINE:
   Draws straight lines between two points.
            Command:  LINE (enter).
            From Point:  (pick a point using the mouse).
            To Point:  (Pick a point using the mouse).
            To Point:  (Press return to end the command).


CIRCLE:
   Draws circles of any size.
            Command:  Circle (enter).
            3P/2P/TTR/<center point>:  (pick a center point).
            Diameter or <Radius>:  (Pick a point on the circle).


ARC:
Draws an arc (any part of a circle or curve) through three known points.
Command:  ARC (enter).
Center/ < Start point > :  (pick the first point on the arc).
Center/End/ < Second point > :  C.
Center:  (pick the arc's center point).
Angle/Length of chord/ <End point > :  (pick the arc endpoint).



CHAMFER:
Changes any corner to an angled corner.
Command:  CHAMFER.
Polyline/Distance/Angle/Trim/Method/ < Select first line > : (pick the first line).
Select second line:  (pick the second line
).


FILLET:
Changes any corner to a rounded corner.
Command:  FILLET.
Polyline/Radius/Angle/Trim/Method/ <Select first line > :(pick the first line).
Select second line:  (pick the second line).




COPY:
Draws a copy of selected objects.
Command:  COPY (enter).
Select objects or Window or Last: (select objects to be copied).
Base point or displacement:  (pick a point on the object to be use as a reference point).
Second point of displacement:  (pick a point which represents the new location of the copied object).



MIRROR:
Makes mirror images of existing objects.
Command:  MIRROR (enter).
Select objects or Window or Last: (select objects to be mirrored).
First point of mirror line:  (pick a point on top of the mirror line).
Second point:  (pick a point  on the bottom of the mirror line).
Delete old objects? <N> y or n  (enter).

SCALE:
Enlarges or reduces selected objects.
A scale factor greater than 1 enlarges the object.
A scale factor between 0 and 1 shrinks the object







ARRAY:

Makes multiple copies of selected objects in a rectangular or circular pattern.
Command:  ARRAY


EXTEND:
Lengthens a line to end precisely at a boundary edge.
Command:  Extend (enter).
Select boundary edge(s)...
Select Objects  (pick the line which represents the boundary edge which lines will be extended to).
(press enter when finished selecting cutting edges).
<Select object to extend>/Undo:  (pick the line(s) that need to be extended).



TRIM:
      Trims a line to end precisely at a cutting edge.
      Command:  Trim (enter).
      Select cutting edge(s)...
      Select Objects  (pick the line which represents the cutting edge
      of line in which objects will be trimmed to).
      (press enter when finished selecting cutting edges).
      <Select object to trim>/Undo:  (pick the line(s) that need to be trimmed).



OFFSET:
Constructs an entity parallel to another entity at a specified distance.
Offset can be used with lines, circles, arcs, and polylines.
Command:  OFFSET (enter).
Offset distance or Through <last>:  (enter a distance value).
Select object to offset:  (select object to offset).
Side to offset:  (Pick any point on the side of the object you wish to offset).


HATCHING:




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