Who knows the 3D commands for Auto CAD? Tell me about the trouble. It s better to be comprehensive.

3D renderings can be made in Auto CAD, and the specific operation steps are as follows:

1. First of all, we draw a simple double line on the 2D drawing to represent the volume of the 3D model, and then directly enter the 3D view command 3DO to enter the CAD 3D view.

2. In the 3D perspective, we can directly hold down the mouse to drag, we can adjust the angle of the 3D perspective, and after the adjustment is completed, we press ESC to exit the perspective movement.

3. After determining the 3D perspective, we need to determine the height of the 3D model, enter the ext shortcut key of the stretch command, and press the space bar or enter key to determine the command.

4. Enter the stretch command, we directly select the two-line two-dimensional drawing, select all the lines, press the spacebar to determine the line, and then move the mouse to stretch the operation.

5. We can move the mouse up and down to determine the height of the model, or we can directly enter the height value and press the spacebar to accurately stretch the height of the model.

6. After completing the height setting of the model, the 3D model is just a simple 2D wireframe, we click on the 2D wireframe option in the upper left corner, and you can choose other styles in the pop-up menu. After the adjustment, we can see the style of the model more specifically.

Yes, and the dimensions drawn are relatively accurate.

For example, some furniture design and industrial parts design are generally made of CAD axonometric drawings, that is, three-dimensional drawings, which can also be simply rendered to make it look more realistic.

Of course, there are other software, like 3DMAX, which is better at doing three-dimensional effects, but it pays more attention to art and visual effects; Maya is a three-dimensional animation, a large-scale tour.

It is very painful to use CAD to make renderings, but if you can use Round Square software to do it, it is very easy, I hope it can help you.

Yes, but both modeling and rendering are quite cumbersome, and in fact, no one uses CAD to make renderings. To make renderings, you can try 3D Max.

It can make a simple 3D model, the rendering effect is not very good, if it is good, it is still 3ds Max, and the latter is powerful in 3D and more efficient in operation.

Version 05 or below is not good (the effect is very poor). The 05 version is barely okay. CAD2007 seems to be a little better now.

But. Still not as good as 3ds Max. 3ds Max can use light sources with great precision. CAD doesn't work.

CAD rendering is still a long way from 3ds Max.

It can be done! But if you want to be realistic, it is recommended to use 3dmax

It can be done, but the rendering function in CAD is really not complimentary.

The materials and lighting are too simple. It doesn't work much.

Mechanical drawing first needs to learn the basics of drawing: such as three-sided projection, national drawing standards, and then learn professional knowledge, including electrical drawing, architectural drawing, mechanical drawing, ,......Different majors will have different requirements and methods, and with a professional foundation, then learn the operation and use of software. It is best to go to the training class to study, there is no professional basic learning, there is a certain difficulty, with a certain foundation, and then self-study to improve, but also to use the manual brain to operate more.

1.Create a layer, including layer name, line weight, color, line type, if there is no required line type, click the "Load" button, you can load the line type you need first, and create all the layers you need in the map.

2.Determine the expression scheme, start drawing, select the layer to draw the line type, generally draw the center line first, determine the datum, and then finish drawing the graphics of different line types in turn, and if necessary, use the button to trim and so on to complete the shape.

3.Addition of hatchings. Start by selecting the section type, angle, scale, and then select the section.

4.Dimensioning, including basic dimensions and basic tolerances, geometric tolerances, roughness, section symbols.

5.Write technical requirements.

6.Add a frame and title block, and if it is an assembly drawing, label the component number and schedule.

What are the ways to enter commands with auto+cad+?

Hello dear, I am glad to answer for you: the way to auto+cad+ input command is as follows; 1. When entering the command cad command line input instruction in the command line window, the letters are not divided into upper and lower case, as long as the command line is correct, you can successfully enter the operation window of the command. Or:

Enter the abbreviated letters of the command in the command line window: CAD shorthand line designers often refer to it as CAD shortcuts, which are commands that quickly enter CAD instructions. For example:

L (line), C (circle), A (arc), etc., this command input method is one of the most used methods by front-line workers. 2. Use the menu bar drop-down tool: the second line at the top of CAD2014 is the menu bar, in the drop-down menu of each menu bar, there are different drawing commands, and you can quickly enter the drawing through the drop-down menu of the menu bar, in fact, all the commands of CAD software can be found in the menu bar.

3. Key combinations: such as CAD save, open, new and other commands, you can use ctrl s, ctrl o, ctrl n and other forms of key combinations, there are many such key combinations, users can find and record in CAD2014 for the next use.

Refer to the steps of the attached drawings (above) without explanation, the 4th step is to make the common tangent of the two circles (CAD does not seem to be able to make a step at present, that is, the second end of the line can be tangent, and the first end can not): first make the R10 circle, and then make a tangent from the center of the R16 circle to the R10 circle, and then offset the tangent (distance 16). Step 5 is mirroring, cropping, trimming, and sizing.

First draw the bottom two circles, find the middle line of the two circles to make the auxiliary line of angle 60 and find the vertical tangent line.

Then offset the tangent position to do auxiliary extrusion, or auxiliary translation, mirroring, using the chamfer command r20.

What about the figure? Please supplement the drawings.

Draw the auxiliary line first, and the spacing between the two horizontal lines is 65

Draw circles R26 and R20 respectively

Draw another 120 angle line and draw a tangent line (green line).

The vertical line is offset by 40 to the left (yellow line), and the tangent line is offset to the left by 16 (green line on the left), and the intersection point is the center of the R16 circle.

Draw an R16 circle while removing multiple guides.

The method of drawing the common tangent line between R26 and R16 is very simple, offset R26 inward by 16 to get a small circle (yellow) of R10, and then draw the tangent line of R10 with the center of R16 circle as the starting point.

The purple line is offset by 16 to get the common tangent.

Clip and delete guides.

Mirror and then crop.

The following is the annotation, too lazy to write the process.

Generally, shortcut keys are often used in CAD drawings to form personal drawing skills, which can improve the quality and speed of drawings, and the commonly used shortcut keys are as follows.

1. F8 is turned on and the orthogonal state is closed.

2. F3 is turned on, and auto capture is turned off.

3. Ctrl+S to save.

4. Line command line, shortcut command L.

5. Copy command, shortcut command co.

6. Move command: Move shortcut command M.

7. Circle command, shortcut command C.