Here is the object in 3D forth with its 2d drawing which nosotros will learn to model in this post. I recommend you to switch to drafting and note workspace for this drawing, you can besides download CAD files for this tutorial here.

Related: AutoCAD 2d and 3D practise drawings

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Step i

Create the following circles using Circle command from draw panel of home tab, make sure circle with radius 2.v units has its heart on the circumference of the circle with radius 26 units.

Footstep 2

Select Polar Array from the Modify panel of Home tab and select ii small circles on the top of geometry. Now specify the center of the largest circle every bit the heart of the assortment and enter 4 in the Number of Items field. You volition become an array similar the one shown in the image below.

Step iii

Delete the biggest circumvolve and select FILLET control now enter R on the command line and type seven equally the fillet radius. Now utilize this fillet at the intersections of the circumvolve with R2.5 and R22.5 as shown in the image below.

Footstep four

Trim all the geometries to make it look similar the image below.

Step 5

Blazon J on the command line and press enter then select consummate geometry and press enter again. This will join all external 2d segments into a unmarried unit. You may need to repeat the Join command couple of times to join the geometry completely.

Step 6

Change view to southwest isometric and visual style to Shaded from Views and Visual styles panel of Visualize tab.

Step 7

Type PRESSPULL on the control line and click at a location inside the geometry, make certain you are clicking inside the geometry and not on the geometry. Enter the height of iii units on the command line and press Enter again.

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This command will add the thickness of 3 units to the 2D geometry which we have fabricated and so far and your cartoon volition look similar the image shown higher up.

Step 8

Create a circumvolve of R17 on the top of the object made in previous step, just for making a circle on peak plane you need to make sure that dynamic UCS is turned on. Press F6 to turn on dynamic UCS so select circumvolve command and move your cursor to the top plane and click at the center of geometry for circle's eye and enter a radius of 17 units and printing Enter again.

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Footstep 9

Blazon EXT on the command line and press enter then select the circumvolve we have fatigued in previous footstep and press enter again. Enter a height of 5.5 units and press enter again to exit the extrude command.

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Pace 10

Now create another circle of radius 14 units with the aforementioned eye on peak of geometry which we have fatigued in the previous step and extrude it past 3.5 units the same style we did previously.

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Pace eleven

Now type Matrimony and Press ENTER then select consummate geometry and press enter over again, this will ensure that all geometries get combined as a single unit.

Pace 12

Create a circle of R11 on the top most surface of the geometry. Now type PRESSPULL on the command line and printing Enter then click within the circle of radius 11 units and enter -12 as depth of geometry, this will make a hole in existing geometry.

AutoCAD 3D practice drawing

Step 13

Type F on the command line and press enter to start fillet command, type R on the command line and enter a radius of 1.five units for the fillet. Now select the edge between the flat piece and the biggest cylinder as shown in the image below and press enter twice to exit the command.

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The terminal geometry will look like the paradigm shown above. Promise y'all enjoyed this tutorial if you lot take any questions regarding this tutorial let me know in the comments below.