On the bottom-left corner of the graphic window, click the Z-axis of the co-
ordinate system and set the Angle value to 90. This changes the view orient-
ation of the model.
Activate the Hole command.
On the Hole Options dialog, select Form > Simple and type-in 10 in the
Click on the lower top face to place a point for the hole location. Place one
more point and add dimensions to define the location of the holes. Click Fin-
ish on the ribbon.
Click OK to complete the hole feature.