AutoCAD 2018 and Inventor 2018 Tutorial By Tutorial Books (www.engbookspdf.com)

Part 1: AutoCAD Basics
On the Attribute Definition dialog, type-in
GRIDBUBBLE in the Tag box and select
Justification > Middle center.
Type-in 6ʺ in the Text height box and click
OK.
Select the center point of the circle. The
attribute text will be place at it center.
Select the top endpoint of the first vertical
grid line. The Edit Attributes dialog pops
up.
Type-in A in the GRIDBUBBLE box and
click OK.
On the ribbon, click Insert > Block
Definition > Create Block.
Type-in Grid bubble in the Name box and
click the Select objects button.
Draw a crossing window to select the circle
and attribute. Press Enter to accept the
selection.
Check the Pick point option under the Base
point section.
Select the lower quadrant point of the circle
to define the base point of the block.
Likewise, add other grid bubbles to the
vertical grid lines.
Uncheck the Open in block editor option
and click OK.
On the ribbon, click Insert > Block > Insert
Create another block with name Vertical
> Grid bubble.
Grid bubble. Make sure that you select the
right quadrant point of the circle as the base
point.
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