Title: "Adding Dimensions to Isometric Objects in AutoCAD"
Open AutoCAD and start a new drawing.
In the Workspace Switching, ensure that "Drafting and Annotation" is checked.
Set LIMITS: lower left corner to 0, 0, and upper right corner to 50, 50.
Zoom and set to Extents.
Type "LAYER", and create three layers named: Solid Lines, Hidden Lines, and DIM.
For Solid Lines, set the thickness to 0.50. This layer is used for drawing the object.
For DIM, set the color to green. This layer is used for all dimensions.
For Hidden Lines, click "line type," load new style, find "Hidden," then click OK. Select the added Hidden style and click OK.
To set up the Dimensions Style, type "DIMSTY," and select "Modify."
Go to Fit and set the Scale to 4.
Go to Primary Units, set all precision to 0.00, and check all Leading and Trailing.
Go to Lines, set Baseline Spacing, Extension Beyond Dim Lines, and Offset from Origin to 0.3.
Go to Text, and set Offset from Dimline to 0.2. Set text height to 0.25.
Go to Symbols and Arrows, and set Arrow Size to 0.2. Set Center Marks to "Line."
In the Status Bar, ensure Lineweight, Dynamic Mode, Polar Tracking, and Object Snap are turned on. Later we will also turn on Autosnap.
In Object Snap, ensure that the Midpoint is checked.
If Lineweight or other options are not visible, go to Customization to enable them.
Click the bottom right corner of the view cube. The viewcube will be our reference for Top View, Front View, etc.
Zoom and Extents.
In the layers dropdown, choose Solid Lines before drawing the object. If you are going to add dimensions choose DIM.
Use the LINE command, starting at 10, 10. Set the Layer to Solid Lines and temporarily disable Lineweight.
Follow the Green Line to ensure the lines are parallel to the x and y axes.
For hidden lines, change the layer to Hidden Lines.
To draw a circle, select the UCS and locate it in the corner of the object.
Change the orientation of the X-axis from its original position to the Y-axis.
Change the orientation of the Y-axis to the Z-axis as shown.
Use the same method later for adding dimensions.
Type C for Circle, then D for Dimension, and type 5, Enter.
To reset the UCS to its original position, click the drop-down near the view cube and choose WCS.
You can adjust the hidden line weight scale by using LTS.
Let’s now add dimensions, relocating the UCS as needed.
Let’s finalize the drawing. I forgot one hidden line and one dimension.
Congratulations, you've drawn an Isometric Object with dimensions.
In the next videos, we will draw a 3D object.