27-13. Example13 Trace 3D Object
How to depict a 3D object inwards AutoCAD, using the next commands: LINE, POLYLINE, CIRCLE, EDIT POLYLINE, OFFSET, TRIM, REGION, REVOLVE.
Of class you lot tin work ARC instead of Circle. Each user AutoCAD drawing the agency he thinks he is easier.
For this AutoCAD example, I volition demo footstep past times footstep how to depict a 3D object shown inwards the moving painting below. In the icon below you lot tin run into 3D object inwards SE ISOMETRIC view.
Of class you lot tin work ARC instead of Circle. Each user AutoCAD drawing the agency he thinks he is easier.
For this AutoCAD example, I volition demo footstep past times footstep how to depict a 3D object shown inwards the moving painting below. In the icon below you lot tin run into 3D object inwards SE ISOMETRIC view.
Step 1.
So let's sketch a 2D drawing from which nosotros volition afterward exercise a 3D object (a vase inwards which the Romans kept the oil). You tin depict a moving painting of the variety you lot similar or follow the measures on the dimensioned drawing. The await at the drawing is FRONT View (drafted inwards plane XY).
What is the operate of this drawing?
The goal is to detect out how some 2D drawings tin instruct a cross department of a 3D object to run into the interior of the object.
It is of import to follow the basic drawing steps. So you lot ask to know the commands at the firstly of the tutorial too how it industrial plant amongst them.
- Line drawing (LINE or POLYLINE, ARC, CIRCLE).
- Converting Line to Line (EDIT POLYLINE).
- Offset of some lines (OFFSET too TRIM to cutting off the excess line).
- After completing 2D drawings, you lot ask to convert the REGION ascendancy to the region.
So you lot depict a 2D drawing too convert it to a unmarried unopen expanse amongst the REGION command.
You should accept something similar the moving painting below when you lot instruct to Realistic View (Toolbar View).
Step 2.
Let's straight off depict a symmetry, past times which nosotros rotate our 2D drawing into a 3D object.
Yes, you lot read well, this symmetry serves to rotate. We volition depict this symmetry inwards some other Layer too it must hold upwards just overlap over the outermost trouble of 2D drawings. It must non hold upwards out of drawings, because nosotros volition instruct the cavity too the vase volition accept a hole too the crude volition curl. See the moving painting below.
Step 3.
The adjacent footstep is to work the REVOLVE command, which volition most symmetry (imaginary axis) to rotate 2D Drawing too exercise a 3D object but amongst a cross to run into the interior.
So click on the REVOLVE command too choose the 2D drawing of yellowish color.
Now press the Enter key. See the Command Prompt line too this role of the request.
Specify axis start betoken or define axis past times [Object/X/Y/Z] <Object>: [First click on Top Endpoint of simetral]
Specify axis endpoint: [Second click on Bottom Endpoint of simetral]
Now you lot accept determined the Axis to a greater extent than or less which the 2D drawing volition rotate.
In the Command Prompt, AutoCAD asking that you lot come inwards the angle that volition rotate the 2D drawing. Enter value 270. So nosotros volition rotate the 2D drawing for iii quarters of a circle. If you lot entered 360 here, too therefore the vase would hold upwards completely closed. Now nosotros accept this stance of the drawing inwards the Wireframe mod.
Step 4.
Let's switch to Realistic View on the drawing too nosotros accept this stance similar on icon below.
If you lot click on the Contained ORBIT ascendancy to rotate the drawings too nosotros rotate it, we'll run into what it looks similar our 3D object, inwards cross section.
Or a dissimilar stance amongst rotation.
And that's it, we've finished our 3D object.