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Part 3 : Object Snap and editing tools (Lesson:23 Scale)

Part 3 : Object Snap and editing tools (Lesson:23 Scale)autocad


The Scale command scale serves to enlarge or reduce objects.
It is also located on the Modify toolbar, and commands work similarly to the last seen.
Starts the command, select the objects to scale, then press ‘Enter’ to confirm the selection made and then you have to choose again the basic point of reference, under which the objects will be scaled.
Autocad asks now the numerical value to what we want to scale the selected objects, on the command line shows “Specify scale factor”.
You can enter decimal or integer values, for example if you want to enlarge twice selected objects will enter a value of 2, but if you want to halve the size will fit 0.5 and so on, ten times greater with 10 and 0.1 will reduce to one-tenth the size etc..
Once inserted, the desired value you hit return or the right mouse button, the objects are scaled and exits the command.


  1. You click on the “scale” scale.
  2. Select the objects to scale.
  3. Press Enter or right mouse button to confirm the selection.
  4. It establishes the basic point of reference making click with the mouse.
  5. Type on the keyboard the scale factor.
  6. Press Enter or right mouse button, the change is executed and the command is completed.

On this command is necessary to consider further as easy to use, although it is often a source of difficulty for those who are at the beginning.
One of the steps are more complicated to understand is the determination of the correct “scale factor” to use when you want to do an enlarged detail of an object.

Suppose you draw a table and want to make an enlarged detail of the edge of it’s ‘top’, what scale value we have to apply?
It must take account of the scale for which we will print our design.
Normally the drawings (technical) made with Autocad will be printed to a scale factor,
1:10, 1:20, 1:100, and so on according to need.
In the case of a table, we’re going to print design in 1:10 scale, in this case, if you want to do within the design detail, that is when you print it on a scale of 1:1 (the real) must be scaled by 10 times compared to the basic design.

But if you plan to print the table 1:20 scale must be larger than 20 times the detail compared to the basic design, which would otherwise be 1:2 scale.

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