It’s easy to use:
Once loaded in AutoCAD or AutoCAD LT, “Isometric Piping” will appear in the menu bar.
Step 1:
Choose a category and size of symbols from the pull-down menu.
Step 2:
A dialog box appears showing all of the available symbols and their different views with a description to the left. Choose the symbol you would like to insert and click on “OK”
Step 3:
Insert the symbol in your drawing. It will already be rotated to the correct position.