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AutoCAD 2D to 3D Tutorial For Beginners

Learning 3D is the logical step that comes after learning how to model in 2D. Let’s use the following design to learn how to go from 2D to 3D using AutoCAD.

AutoCAD 2D to 3D Tutorial For Beginners

I’ve found this great exercise on MufasuCAD Youtube channel and felt compelled to do another detailed AutoCAD tutorial showing some of the steps you need to take to complete this challenge. It is, in fact, a great one, to help you practice 3D.

AutoCAD 2D to 3D Tutorial For Beginners

Let’s dive into the session.

AutoCAD 2D to 3D

Step 1

Use the CIRCLE command to create the following circles. They all have the same center.

AutoCAD 2D to 3D Tutorial For Beginners

Step 2

Use the upper quadrant of the biggest circle to create the following 2 circles.

AutoCAD 2D to 3D Tutorial For Beginners

Step 3

Use the Polar Array command and the two small circles to construct the following set of objects.

AutoCAD 2D to 3D Tutorial For Beginners

Step 4

Now, let’s use the feature tan-tan-radius to create this circle of R

AutoCAD 2D to 3D Tutorial For Beginners

Step 5

Similar to what we did in step 3, let’s use the circle we have just made to create a polar array of 8 items.

AutoCAD 2D to 3D Tutorial For Beginners

Step 6

Select the circle in the middle of the polar array, and delete it.

AutoCAD 2D to 3D Tutorial For Beginners

Why does this look so gorgeous to me? Anyway, let’s continue.

Step 7

Select the objects in the Polar array and trim them such to have the image below.

AutoCAD 2D to 3D Tutorial For Beginners

Step 8

Create these two circles.

AutoCAD 2D to 3D Tutorial For Beginners

Step 9

Use the circles created in step 8 to create a Polar array of 3 items as shown on the image below.

AutoCAD 2D to 3D Tutorial For Beginners

Step 10

Now you can use the FILLET command to fillet the inner edges as illustrated on the image below.

AutoCAD 2D to 3D Tutorial For Beginners

Step 11

Now, the interesting part. Let’s separate the model in the following objects.

AutoCAD 2D to 3D Tutorial For Beginners

Step 12

Click on the REGION command, select everything in the drawing area and Click on ENTER on your keyboard.

AutoCAD 2D to 3D Tutorial For Beginners

Step 13

Use the Extrude command to extrude:

  • A with a distance of 10 units
  • B: the internal circle with 47 units and the external circle with 7 units
  • C with 4 units
  • D with 26 units
AutoCAD 2D to 3D Tutorial For Beginners

You should end up with something like this. You need to 3D-navigate to be able to see the models in this manner. On the piece A, subtract the 8 small circle from the bigger piece.

AutoCAD 2D to 3D Tutorial For Beginners

Step 14

I know this part will be tricky, but try to stack up these objects on top of each other in the order A-D-C-B.

AutoCAD 2D to 3D Tutorial For Beginners

Step 15

Now subtract the piece in the middle from the outer piece on each level except on the last upper level (the cylinders).

Once it is done. Unite the short cylinders with all the other parts, except the longer cylinder. Subtract the longer cylinder from the union.

You should be left with the following object.

AutoCAD 2D to 3D Tutorial For Beginners

Step 16

Now, Fillet the model as on the image below, and we’ve just completed this challenge.

Autocad project for beginners

Hope you have learned a bit of AutoCAD 3D with this. Do not hesitate to drop a comment below if you need further clarification regarding this challenge.

3D Projects (Good 3D practice exercises)

Sours: https://tutorialcom/autocad-2d-to-3d/

This drawing may differ from the actual product drawing. It is provided as an exercise example for students learning 3D modeling using Autodesk Inventor, AutoCAD or Solidworks, Catia V5, 3D MAX, NX UG, CADIAN, ZWCAD, and Rhino. The drawings we provide are provided after some level of verification.

If you have any questions or errors, please leave a comment. I will answer you soon.

For reference, all the drawings provided on this site are copyright of STUDYCAM. So please do not modify, reprint or redistribute.


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3D CAD EXERCISES 193D CAD EXERCISES 19Reviewed by STUDYCADCAMon 3월 05, Rating: 5
Sours: https://studycadcam.blogspot.com//03/3d-cad-exerciseshtml
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AutoCAD 3D Exercises & Practice drawings


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Sours: https://cadincom/autocad-3d-exercises/
AutoCAD 3D Modeling - Wardrobe Tutorial - Exercise 14

3D CAD Practice and Exercises

Topics covered in this Lesson:

Review and Practice of 3D Concepts

There is only one way to get better at AutoCAD and that is to practice. In 3D, you not only need to know the commands, but also how best to use them. As you start drawing in 3D, you may start looking at everyday objects and think about how they would be drawn. Look at some 3D drawings online and figure out how they were done.

EXTRA PROJECT - A

If you have finished the previous exercises and would like more practice, try this:

Sketch out a simple coffee table on paper. Add the basic dimensions. Draw this in AutoCAD using any 3-D method. Once you've done this, draw another lamp and place it on the table. Use >rotate3d if you need to turn it right-side up. Find a good view to display what you have drawn. Add materials.

EXTRA PROJECT - B

Take your file from Lesson that gave you a solid model and use the fillet and chamfer commands to add some smoother corners to your chair.

Fillet 3D Model

EXTRA PROJECT - C

Draw the object that you draw in the isometric lesson in 3-D using extruded regions. You will have to first create the outline, then the circle. Turn both objects into regions. Subtract the circle from the outline to have one remaining region. Extrude this to get your solid object.

TUTORIAL - CREATING A 3D OBJECT FROM A 2D PROFILE

For this tutorial, you should be familiar with these 3D commands: region,extrude, union, subtract.

This tutorial shows you a method for quickly turning 2D shapes into 3D objects. One of biggest problems with 2D objects is that they are not always drawn properly. This is something that should have been addressed when it was first drawn, but here is a way of working around it.

First lets start with a basic shape (remember the >array command). This is the profile for a gasket. It is drawn in 2D with lines, arc and circles.

Let's hope it was well drawn, meaning no overlapping lines, gaps, etc. Copy the objects over to the side for the next section.

Here is how you turn it into a 3D object easily. Start the REGION command. Draw a crossing window around the whole area and press enter. Once you have your regions created, you can extrude them. Start the EXTRUDE command and select all objects. Press enter and enter your extrusion height and taper angle. When these are extruded, begin your SUBTRACT command and first select the larger object first (to be subtracted from), press enter then select all the other objects and press enter. When you change to your SW Isometric view, type in HIDE (enter) and you should see the object as shown below.

Extruded 3D object

Remember that you can always work in your SW Isometric view to see the progress of your 3D work.

There is one problem when using the REGION command. If have two lines that are overlapping, AutoCAD can not make a region out of the objects. You could search until find the offending line, but there is an easier way.

Here's this approach:

Now look at the copy of the shape that you made you earlier. Instead of using the region command, use the BPOLY command. This command works similar to the HATCH command in that it finds the boundaries for you. Start the command and you will see this dialog box come up:

BPOLY Dialog Box

Accept the defaults and press on the Pick Points button. In your drawing screen, pick an internal point as if you were hatching it and then press enter.

Now start your EXTRUDE command and select the last (L) object created and extrude it. Now begin the SUBTRACT command and select the outside object, (press enter) then use a crossing box to select everything else and press enter. Use the HIDE command to ensure that everything is as it should be.

Video: Review of exercises in Lesson

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Exercises autocad 3d

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AutoCAD 3D Practice Exercise 26 - Mechanical Exercise 26 - Autocad 3D Example Tutorial 26

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