3d autocad lessons




















AutoCAD training starts with basic knowhow. You must get to know the various tools available with the application and what features it flaunts. This would provide better knowledge and understanding of what to expect from the software.

You certainly can opt for AutoCAD classes, if you find this tutorial interesting. Or, can you look for online courses too? What makes you feel comfortable, given your priorities, you can certainly pick that option. And, would the lesson intrigues you to get deeper into the abundance capabilities that the AutoCAD app embodies.

Before you start going through the various steps of the AutoCAD 3D tutorial, you must first download the free trial version of the application. Because just reading the text may not do any good to you until you practice the process yourself. Knowing the fee would help you set the expectation for the software. But you may not want to pay the entire fee without getting to know the app a little bit closer.

For the same reasons, we prefer installing the trial version and use the app for a month before you plan the next step.

So, you must download and install the trial version before paying any fee. This would provide you access to the full features of AutoCAD. Hence, letting you explore every bits and piece of this wonderful application. The first thing you would require before being able to create the 3D designs is to explore the workspace. You must select this one. This would take you to a new DrawSpace. By default, you may not find the option for the Workspace.

Hence, you must optimize the quick action toolbar for necessary modifications. So, add the workspace. After this, change the Drafting and Annotation toolbar to 3D Modeling. Doing this would bring you all the tools you need to start the 3D sketches.

Before using the tools, you must ensure that the metric system is a complaint to your usual routine. If you think you need to make changes to the units, you must do it before starting the drawing process. This would pop up the menu. From this menu, hover the mouse on Drawing Utilities and then select Units. Command Bar: This is available at the bottom of the screen. This bar helps in activating the command directly without the need for searching.

You just need to type the command and press enter. This also suggests the tips for executing the command properly and without any error. Hover your mouse over it to get the house icon. After clicking on this house, you will get the 3D coordinates located in the middle of the workspace.

It shows all three axes. When entering the isometric view, the compass changes to a cube. It shows the various faces, corners as well as the edges. You can click on the desired view from here. It also lets you orbit around the DrawSpace. Just explore the options and find out what all you can do here. Before moving to 3D modeling , you must be aware of 2D sketches. This is how you can work with 3D designs. And to do so, you must know how to use a snapping option.

Press the F9 button to activate the grid snap. Later press F3 to work around the corners, points, lines, and many other areas of the sketch. You can make changes to the snapping depending on the sketches you wish to create.

Start with First Sketch: Click on the top View of the compass. Press F9 to disable the grid snap you just activated. This would let you specify the first point in the workspace. If you can, enter the coordinates or use the random point. Carry the mouse to the positive end of the X-Axis. Specify the line length as desired.

When you have completed the sketch, enter escape to deactivate the line command. Drawing Tools: You can make use of various drawing tools to edit and prepare your sketches for perfection. For instance, you can use a spline command for creating a continuous curved shape with connecting points.

You have a trim command for erasing unnecessary lines and sketches. You can even mirror sketches to complete the drawing without needing to work extra for the other similar half of the sketch. To better your sketching abilities, you must run through the different tools available to make your goals easier.

You can only draw on the XY plane. That does seem confusing. How can we prepare a 3D model without being able to draw along the three axes? You just need to change the redefine the coordinate system to make 3D models. This helps in plotting or changing the direction of your sketches to achieve a 3D model.

For instance, you can draw a square or circle in the top view. Later, you just need to switch to the front view and activate the UCS command. This command helps you change the coordinates. Use V to set the current viewing workspace as the new coordinates for a referral. Draw the square or circle and check the same by rotating the DrawSpace.

To do so, use the shift with the mouse wheel. You would be able to see your 3D object. You can also create basic shapes using the AutoCAD software. For instance, draw balls, cubes, spheres, Cylinders, and many other standard shapes. At first, you need to ensure that the coordinate system is set to World. Get back to an isometric view.

Here, you must type in Cube in the command bar. Start sketching the base of the cube with the desired radius.

Later, move the mouse in the upward direction and set the height of the cube. Once done, press enters to confirm. There are various other tools and features for 3D Modeling. Here are a few of the most common ones for the starters.

Extrude: As the name suggests, the feature is used for extruding the images directly. Fillet: We do wish sometimes to smoothen the corners of our 3D design. With AutoCAD, the entire process is just a breeze. You can easily chamfer the corners without needing to put huge efforts using the Fillet feature.

The shortcut for starting polyline command is. What is the maximum number of sides with which a polygon can be made in AutoCAD. There is no limitation on number of sides. In the image shown here, the polygon is inscribed or circumscribed about the green circle?

Is it possible to make a rectangle with fillets on all four vertices? Can you use Polygon tool to make a polygon with a known edge length without using inscribed or circumscribed circle as a reference?

To make the arc as shown in the image here which Arc command can be most effectively used? Three Point Arc. Start End Radius. Center Start End. Center Start Length. Creating Drawing Quiz. Part 3 — Basic modify commands. State true or false: It is not possible to make a linear array with copy command.

State true or false: An object is selected only if the crossing window or polygon completely encloses it. In the image shown here, what is the offset distance between both the closed geometries? To reduce the size of an object to half of its initial value using SCALE command the scale factor would be? Fillet will be applied to all Polylines of the drawing. Fillet will be applied to all objects except Polylines. Fillet will be applied to all the vertices of selected Polyline.

As per the array command of AutoCAD, what is the row gap between rectangles in this array? To break a Polyline into lines and arcs which command can be used. The command for trim tool is? As per the array command of AutoCAD, what is the column gap between rectangles in this array? Modifying and manipulating drawing.

Part 4 — Drawing tools. What is the name of status bar icon encircled in red? Ortho mode. Polar tracking. Dynamic input. Object snap tracking. Which option of the status bar will activate the Tooltip as shown on the cursor? Object snap. State True or False: You can change polar tracking angle to any angle of your choice. To fill closed area with a single color which hatch pattern will you use? Filled area can't be made with hatch command. Which function key enables object snap in AutoCAD?

Which factor of hatch command you will change to correct the spacing between hatch lines or pattern? Which object snap tool was added in AutoCAD version? Geometric center. Apparent intersection. To toggle between different fields of dynamic input which key can be used? Drawing Tools. Part 5 — Drawing features and properties. Which option of layer properties is indicated by light bulb icon here? To change a block into normal drawing object which command can be used?

Which layer is automatically created when a dimension is added to the drawing? Layer 0. Layer 1. Which of the following layer can be deleted from layer property manager palette? Layer containing objects.

Frozen layer not containing objects. What is the highest value of layer transparency? State True or False: If you select "retain" or "delete" from objects panel of create block window then block will not be created. State True or False: An image can be attached as an xRef in the drawing.

Which among the following is not true for an xRef? You can insert xRef which has same name as a block in the drawing. You can modify xRef from drawing in which it is attached. Now place circle on Drg layer then select circle and change its color to green from properties palette.



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