“Mirror”command.
The mirror command 
is very useful for creating a mirror copy of one or more objects relative to an axis to be determined.
After you click the command, you must select the objects to "mirror", you select one or more items and then you press "enter" key or the right mouse button to confirm them.
At this point it appears on the command line 'select first point of mirror line'.
You must indicate two points which determine the axis under which the objects will be mirrored, these points can be selected on objects already drawn (using snap features) or randomly on the area of the screen, so orthogonal or not .
After selecting the second point, we are asked "erase source objects?".
In this case we will respond by typing on the keyboard "y" or "n" (which stand for Yes or Not), then press 'enter', the mirror is executed and the command is completed.
According to the choice we made, will run the mirror to keep or delete the selected items first.
is very useful for creating a mirror copy of one or more objects relative to an axis to be determined.After you click the command, you must select the objects to "mirror", you select one or more items and then you press "enter" key or the right mouse button to confirm them.
At this point it appears on the command line 'select first point of mirror line'.
You must indicate two points which determine the axis under which the objects will be mirrored, these points can be selected on objects already drawn (using snap features) or randomly on the area of the screen, so orthogonal or not .
After selecting the second point, we are asked "erase source objects?".
In this case we will respond by typing on the keyboard "y" or "n" (which stand for Yes or Not), then press 'enter', the mirror is executed and the command is completed.
According to the choice we made, will run the mirror to keep or delete the selected items first.
You do not have that choice every time, Autocad has set the default "n" that keeps the source objects, and in any case remember your last choice and it shows on the command line, so it got to this point, most of Sometimes, just press Enter to confirm the setting already there.
“Stretch”command.
The command 'stretch' 
used to modify the objects already drawn, in practice it stretches the part we're going to select on them.
Draw a random figure of four sides, a square or a random geometry.
By clicking on the "stretch" activates the command and you must then make a selection area on the object to be modify, including in the case of a square, one or two vertices.
The command stretches it will act only on the vertices of the objects, which included within the selection window.
Then click the bottom right of the geometric figure, and then high above these in order to select two vertices, then press "enter" key or right click to confirm.
used to modify the objects already drawn, in practice it stretches the part we're going to select on them.Draw a random figure of four sides, a square or a random geometry.
By clicking on the "stretch" activates the command and you must then make a selection area on the object to be modify, including in the case of a square, one or two vertices.
The command stretches it will act only on the vertices of the objects, which included within the selection window.
Then click the bottom right of the geometric figure, and then high above these in order to select two vertices, then press "enter" key or right click to confirm.
You must now select the base point of displacement (as in the 'move' command), which can also be a top vertex.
Try now to move the mouse to be activated by 'ortho' or not, to see how you change the object.
Drag the object in the direction and desired position and click to set and close the command.
You can then stretch object from a vertex to a vertex of another, using the snap, or, once made the selection and move the mouse in the direction in which enlarge the object, enter a numeric value, eg. 50 and then press "enter", so the object will be "enlarged" by 50 units.
All vertices of objects that include the selection area will be stretched, for example, imagine having to extend or raise the prospect of a cabinet that you designed.
50 units will be possible to extend his right side, and then repeat the command by selecting only the central part of 25 this time to stretch, making it symmetrical again.
Try this just said, using just four equal squares joined to form a larger one.
50 units will be possible to extend his right side, and then repeat the command by selecting only the central part of 25 this time to stretch, making it symmetrical again.
Try this just said, using just four equal squares joined to form a larger one.
Modify first one side then the middle part to "refocus" by selecting the figures as shown in the picture.
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