#Activate the Line command by selecting it from the Draw panel in the Home tab, or by typing "LINE" in the command line and pressing Enter.
Specify the first point of the line by clicking anywhere in the drawing area or by typing the coordinates directly. You can also snap to existing points, such as endpoints, midpoints, or intersections, by enabling the appropriate object snaps.
Specify the second point of the line by clicking another location in the drawing area or entering the coordinates. Again, you can use object snaps to ensure accurate placement.
Repeat steps 3 and 4 to draw additional lines if needed. AutoCAD allows you to draw multiple lines in a single command sequence.
To end the Line command, press Enter or right-click and select "Enter" from the context menu.
Activate the Offset command by selecting it from the Modify panel in the Home tab, or by typing "#OFFSET" in the command line and pressing Enter.
Specify the offset distance by entering a value or selecting a point in the drawing. You can enter a positive value for an offset outside the selected object, or a negative value for an offset inside the object.
Select the object or objects that you want to offset. You can select lines, arcs, circles, or other closed shapes. Use a selection method such as clicking on the object or selecting a crossing window to choose the desired objects.
After selecting the objects, AutoCAD will prompt you to specify the side of the object where you want to create the offset. You can choose either the "Inside" or "Outside" option by clicking or typing "I" or "O" respectively.
AutoCAD will create the offset objects parallel to the original objects at the specified distance. The offset objects will be separate from the original objects and retain the same shape.
If needed, you can repeat the Offset command to create multiple offsets or offset different objects in the drawing.
To end the Offset command, press Enter or right-click and select "Enter" from the context menu.
#Activate the Circle command by selecting it from the Draw panel in the Home tab, or by typing "CIRCLE" in the command line and pressing Enter.
Specify the center point of the circle by clicking anywhere in the drawing area or by entering the coordinates directly. You can also snap to existing points, such as endpoints, midpoints, or intersections, by enabling the appropriate object snaps.
Specify the radius of the circle by clicking or typing the desired value. Alternatively, you can specify the diameter of the circle by prefixing the value with a diameter symbol (e.g., 3 for a radius, or Ø3 for a diameter).
#Press Enter or right-click and select "Enter" from the context menu to create the circle.
#Activate the Ellipse command by selecting it from the Draw panel in the Home tab, or by typing "ELLIPSE" in the command line and pressing Enter.
Specify the center point of the ellipse by clicking anywhere in the drawing area or by entering the coordinates directly. You can also snap to existing points, such as endpoints, midpoints, or intersections, by enabling the appropriate object snaps.
Specify the major axis of the ellipse by clicking or typing the desired value for the endpoint. This value represents half the length of the major axis.
Specify the minor axis of the ellipse by clicking or typing the desired value for the endpoint. This value represents half the length of the minor axis.
Optionally, you can specify the rotation angle of the ellipse. This angle defines the orientation of the major axis relative to the horizontal axis. You can enter a specific angle or use object snaps to align with existing geometry.
Press Enter or right-click and select "Enter" from the context menu to create the ellipse.
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