AutoCAD: Rotate UCS with UCS / 3-point command.

UCS rotation with the command UCS / 3 point is used when creating a workpiece on an inclined side or an inclined plane that does not know the angle of inclination.

The principle of 3point or 3 points is

Point 1 is the origin point,

Point 2 is the direction point of the X axis.

Point 3 is the direction point of the Y axis.

Click to watch the video.

3points UCS Command in AutoCAD (Thai Language)
by Vin Jirawat
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Annotate:Dimension – part 1

Because AutoCAD is a vector program (Vector) is mainly used for technical drawing. It is therefore important to tell the size of the workpiece and there is a group of tools specifically for measure the size and entity details, namely the tool group.

Annotate:Dimension

In the Dimension group there are also tools that are separated according to the size used. Types include

1 Linear Defines dimensions in a straight line (both vertically and horizontally).

2 Aligned tells dimensions parallel to the workpiece in all planes.

3 Angular tells us the size of the angle in degrees between two objects.

4 Arc Length tells the length of the arc (Arc) from the end of the arc.

5 Radius indicates the radius of a circle. or part of a circle

6 Diameter tells the diameter of a circle. or part of a circle

7 Jogged tells a scaled down version. used in such cases The radial line is very far from the workpiece.

8 Ordinate sizing based on a defined starting point.

For understanding See the figure 3 showing different dimensions below.

Figure 3

In the next chapter, we’ll look at how to use Dimension. Let’s follow cadcoms.com for more content.

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AutoCAD: Linetype

In drawing Characteristic lines or linetypes are important because they have technical implications, for example, a dashed line means the piece is invisible. or hidden inside, etc. AutoCAD has commands to help in this case as well. That is the Linetype command in the Properties tool group as shown in Figure1.

Figure1

Normally, AutoCAD sets the default linetype for each layer to be a continuous line. Therefore, every work piece will be automatically generated with a continuous line. No settings are required. But if wanting to create or switch to another line format, such as a dashed line, there must be a procedure for selecting a line to use as follows:

Start by selecting the Linetype option and then selecting Other..

After that, the program will show the Linetype Manager window, it will find that there is a list of currently selected lines. If there is no line you want, click Load to select more, as shown in Figure2.

Figure2

After that, the program will display the Load or Reload Linetypes window, select the desired line from the Available Linetypes list as shown in Figure 3.

Figure3

After finishing this step, we will have the selected Linetype in the list. I chose Dashed so it appears in the list as shown in Figure4.

Figure4

Let’s take a look at the steps for implementing Linetype.

Assuming that you have created 2 pieces and want to change the circle to be a dotted line. Click to select the circle, there will be a window showing the properties of the workpiece (properties) as shown in Figure5.

Figure 5

Then click to select Linetype and a list will be displayed as shown in Figure 6.

Figure 6

Choose the line that has been loaded, for example, I choose the dashed line (Dashed), the circle piece will change to the dashed line as needed.

It’s not difficult, try it. After this, I will expand on Linetype Scale. Don’t forget to follow.

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AutoCAD: Array-Polar

Arranging workpieces into categories is done with the Array command (Modify command group) as shown in Figure 1.

Figure 1

The Array command has two options:

1. Rectangular > Row and line arrangement

2. Polar > circular arrangement

For now, we’ll talk about the Polar Array, experimenting with circular arrangements. Start by creating Circle (Circle) up 2 pieces as shown in Figure 3.

Figure 3

When selecting the Array command, there will be options as shown in Figure 4.

Figure 4

Follow these steps:

1. Select the Polar Array first.

2. Click on the Select Objects heading, then return to select the object you want to arrange.

3. Set the center point in the arrangement (Center point), select the Center of the large circle.

4. Come to the topic Total number of items to enter the desired amount.

5. Set the angle to fill in the arrangement (Angle to fill), in this case put 360 means that the arrangement is within 360 degrees or equal to 1 around the circle.

When enter, you will get output as shown in Figure 5.

Figure 5

It is a command that is used very often. There is also an Array / Rectangular option. and will be presented later.

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AutoCAD: Match Properties -Adjust work piece properties according to the prototype.

Every workpiece created in AutoCAD has its own properties (Properties) in many topics, such as Layers. We can use the Layers Properties command to check the details as shown in Figure 1

Figure 1

Or if wanting to know other Properties, it’s not difficult to do by Select workpiece and command LIST (LI), program will display report as shown in Figure 2

Figure 2

In drawing it is possible for us to create new pieces. But would like to use the properties of existing work such as sample work, I have drawn a section (section) showing the details of the stairs and inserting a Hatch to show the material. But I have already created 1 piece that has the Hatch pattern that I want. For convenience, I choose to use the Matchprop command to copy this property from the prototype as shown in Figure 3.

Figure 3

Figure 4 shows the location of the Matchprop command.

Figure 4

Then the command will have the following steps:

1. Select a prototype (Select source object), click to select the desired Hatch pattern and then Enter as shown in Figure 5.

Figure 5

2.Then select the destination workpiece (that you want to change properties), notice the cursor has changed to a paint brush as shown in Figure 6.

Figure 6

3.After Enter, found that the Hatch destination workpiece will be changed to the same as the source workpiece as shown in Figure 7.

Figure 7

The Matchprop command can be used to change the properties of every object, called copy or clone. Come on, that’s all. It’s a very useful command for work.

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AutoCAD: Slice Command

Slice command

The Slice command is used to slice 3D Solids into sections along a specified plane. It is a command that allows us to perform complex tasks and show job details.

Let’s see how this Slice command works. Start by creating Solids as shown in Figure 1, then select the Slice tool in the Solids Editing tool group as shown.

Figure 1

When an order is selected the program will allow us to select the desired piece of work (must be 3D Solids only to continue working), select the work as in Figure 2 (Select objects to slice).

Figure 2

After that, there will be a choice that Specify start point of slicing plane or [Planar object/Surface/Zaxis/View/XY/YZ/ZX/3points] <3points>: as shown in Figure 3

Figure 3

The choice I suggest in this chapter is 3points (or 3 coordinates). I put points 1, 2 and 3 in position. As in the picture, the simple way to think is Let’s say we have a knife. Let’s cut this piece apart into two pieces. I can divide it in many directions. depending on the plane of the blade in this case, I will cut along a plane parallel to the workpiece length. And cut from top to bottom, so points 1 and 2 are vertical cutting planes, while points 2 and 3 are longitudinal cutting planes.

After Enter, the program will ask whether specify a point on desired side or [keep Both sides]: Means we click to select the part of the work to be kept (delete the other part) or to keep both. If we select Both (both) will get the work as shown in Figure 4

Figure 4

You can see that the work piece is divided into pieces 1 and 2, but still in the same position. can be separated by using the move command as shown in Figure 5

Figure 5

With work that is Solids can be used further In addition, slices can be done in multiple planes. I try to make slice plane or Slice plane to increase understanding, create Solids and try to use slice command.

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AutoCAD: Point and Divide command

Point command

(Multiple)Point or Point is a command in the Draw group.

I think that there are quite a few people who are curious about this command. What is it used for? If you use point to create workpieces, it may not be suitable. because the work would come out as a line drawn by a point And no one does that. So what is the benefit of this command? Point here refers to the reference point itself. Creating a reference point is what we do when we want to divide the workpiece into parts, for example, with one straight line. Want to divide into 3 equal parts.

The dividing point is to use the point as a reference point. Therefore, Point can be used as a reference. Must have a face that is more noticeable than normal spots We have to change the point style or Point Style to change from the normal way. The command used to change Point Style is DDPTYPE. Found that there are many styles to choose from.

DDPTYPE / Point style command

It found that there are many styles to choose from. Click on the Point Style box that you want to use.

DDPTYPE / Point Style command

Now let’s draw a horizontal straight line. any length Then select the Divide command as shown.

Divide command

Object to divide selects a straight line. Then enter the value Number of segments as 4 (meaning divided into 4 parts).

Divide command

The result is as shown in the figure: the line is divided into 4 sections, referenced by points in the selected style as shown.

Divide command

Therefore, the Point command is the command to create a reference point. Using in conjunction with other commands, Point Style can be set by using the DDPTYPE command.

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AutoCAD: Cut workpieces with the Subtract command.

Solids parts in ACAD 3D have a specific group of modifier commands. Now we will discuss how to use the Subtract command in the Solids Editing tool position group (in CAD 2010) as shown.

Subtract command

From the figure, it can be seen that in the process of subtracting or cutting the part of the workpiece, there must always be

1. the main workpiece to be kept and 2. the workpiece to be cut out, and the important thing is that these two parts must actually intersect is that there are parts of the work that overlap therefore will be able to get the results as desired.

Let’s create 3 solids 3D pieces, one green box and two red boxes, positioned as shown.

Subtract command

Set the Green box to be 1. The main workpiece to be kept. The Red box is 2. The work piece that will be cut out Then select the Subtract command and select the 1st piece first and enter to finish the selection process. Later, select Box 2 (until all 2 workpieces are completed) to be the cutter and then enter the result as shown.

Subtract command

You will see that Box 2 has disappeared, leaving only Box 1 that has been cut to the size of Box 2 that the arrow is pointing at. The principle of subtract is subtraction, that is, there must be an indenter (which must be larger in size) and a subtraction (smaller in size). and there are more than 1 piece) Sure enough, try it.

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AutoCAD: UCS Commands

UCS 3 Points

UCS stands for User Co-ordinate System, meaning user coordinate system (defined by the user).

This term has both meaning and command. UCS is related to WCS (World Co-ordinate System) normal coordinates (AutoCAD uses the word world as normal). If you observe the screen in every work, there will be a sign showing WCS at the bottom left corner of the screen called the WCS Icon as shown.

In the normal state, this icon indicates the 3 axes (axis) in working, namely X, Y and Z, which are arranged at right angles to each other according to Right Hand Rule 1 In the 3D view, the Z axis (blue) is perpendicular to the X, Y axes, meaning that the working plane is the plane that is parallel to XY only as shown.

Right Hand Rule

Or the area shown in red If we want to work in the green or blue plane, we can’t. Because it is a plane that is not parallel to the XY plane (XY plane) because the program requires us to create work in a plane parallel to the XY plane only, so from the figure to create tasks on the green plane The XY plane must be rotated parallel to this green plane before any work can be created on this plane.

To rotate the working plane, use the command UCS to rotate the coordinates in the direction that we (User) want to adjust from the normal position when starting to work. Adjust coordinates from normal (world) to user (user) coordinates for 3D creation.

UCS commands are commands with several options and descriptions. Today I would like to use a convenient and comprehensive method. That is using the alternative UCS / 3-point tool as shown.

Once the order has been selected, set the 3 coordinates as shown in the figure.

By starting at point 1, the origin point, then going to point 2, the end of the X axis, and point 3, the end of the y axis. Then the working plane will change as shown.

Notice that the UCS Icon has an XY plane parallel to the desired (green) area. If a work piece is created, it will be on this plane. Try modeling and rotating the 3-point UCS to change the working plane in different ways to gain insight.

If you have a problem, ask any time in the comments.

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SketchUp: Multiple Copy Technique

Many times, when using SketchUp, we want to copy multiple parts or components at once. Today I have a technique to answer this question for you.

For example, there is one chair, already made into a component, but needs to copy 5 more, a total of 6, follow this step.

1 Select the component you want to copy first, here is the chair as shown in the picture.

2 Select the Move tool and press the Ctrl key on the keyboard means copying. When moving the mouse to the right, there will be One more chair as shown above.

3 Then type 5* in the square. as shown, then press Enter.

There will be 5 more selected chairs as needed. From the example, let’s try to follow with the custom component and enter the amount you want and don’t forget the * sign too.

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