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1 MIN 1 CAD: Grasp All Important CAD Commands in 24 Days

Grasp CAD commands in 24 days

If I ask you how many ZWCAD commands start with A, could you give me an accurate answer?

I’ve recently checked it out – there are 83. You may find it tricky to tell the differences between them, let alone know how to use all of them.

Don’t worry, from this article on, I am going to share with you a series of how-to articles covering the use of the most commonly used CAD commands in alphabetical order. In other words, you are now probable to get the hang of CAD commands that are important in your daily work in 24 days.

Here come the first 5 frequently used commands and system variables starting with A.

AIDIMFLIPARROW

When you want your arrows more well-defined, AIDIMFLIPARROW helps you quickly flip them. It is available for these 7 dimensions: Aligned Dimension, Angular Dimension, Arc Length Dimension, Diameter Dimension, Jogged Dimension, Linear Dimension, and Radius Dimension.

Steps:

  1. Enter [AID].
  2. Select the to-be-adjusted dimension arrow.
  3. Press the Enter key.

There you have it!

AIDIMFLIPARROW

ALIGN

When you need to rotate and align entities, especially the large and complex ones with other entities, the convenient ALIGN command is here to help.

Steps:

  1. Enter [AL].
  2. Select one or more than one entities as the source object(s), and press Enter.
  3. Specify the first source point on the source object.
  4. Specify the first destination point on the destination object (the one the source object is to be aligned with).
  5. Continue specifying the second pair of source and destination points as above, if needed. You can set at most three pairs of such points.
  6. Decide whether to scale the source object(s) according to the destination point(s).

After that, the source object(s) will be aligned with the destination object(s).

ALIGN

AREA

AREA calculates the area and perimeter (or circumference in the case of a circle) of an entity or several independent entities. It comes in very handy when the entity is irregular.

Steps:

  1. Enter [AREA].
  2. Select an object or specify the boundary of one.

Then the area and the perimeter/circumference will appear in the command line. You can also add or subtract area by entering [a] or [s] in the command line.

The example below shows 2 ways (by specifying the boundary/by adding and subtracting) to calculate the area of the hollow irregular polygon.

AREA

ARRAY

Rectangular Array and Polar Array can be done with this command. It helps you quickly draw a batch of objects in an aligned way. For example, when drawing some equidistantly placed desks in a classroom, you can use Rectangular Array to do the work. Likewise, you can utilize Polar Array to draw equidistantly placed chairs around a round table.

Steps (Rectangular Array):

  1. Select the to-be-arrayed object.
  2. Enter [AR].
  3. Choose Rectangular Array.
  4. Define the number of columns and rows (non-zero integers).
  5. Set the distances between columns (Column offset) and rows (Row offset).

Then you can get the object copied and arrayed in the shape of a rectangular.

RECTANGULAR ARRAY

Steps (Polar Array):

  1. Select the to-be-arrayed object.
  2. Enter [AR].
  3. Choose Polar Array.
  4. Define the center point.
  5. Set the total number of items and the angle to fill.

Then you can get the object copied and arrayed around a specific point.

POLAR ARRAY

ATTMODE

This is a system variable that controls the visibility of attributes. You can use it to find out the hidden attributes of a block.

Steps:

  1. Enter value “0” to hide all the attributes.
  2. Enter value “1” to keep the current visibility of attributes.
  3. Enter value “2” to show all the attributes.

ATTMODE

That’s all for the first sharing. It is surely “A” good start of your CAD journey. To “B” continued…

Kyle He

Kyle He

ZWCAD Product Manager

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