Revising a Block

One of the biggest advantages to using blocks over manually drawing items such as doors and windows in your drawing is the ease with which blocks can be modified. Earlier you used the Block Editor as you were defining blocks. In this section, you’ll use the Block Editor again, this time not to define a new block but to modify an existing one. More specifically, you’ll modify the A-GLAZ (window) block and see how the changes you make are reflected throughout your drawing.

Let’s say that the client who’s building the cabin finds out that double glazing is required in all windows. You’ll want the windows to show two lines for the glass. If you revise the A-GLAZ block definition, the changes you make in one block reference will be made in all six windows.