SDC Publications: SOLIDWORKS 2020 Basic Tools Book Errata

Chapter 7 Page 29

Step 9. The arrow that is pointing to the Origin should be pointing to the Horizontal Centerline, and the note should say: Symmetric Relation.

Step 10. The cut-extrude box cover hole diameter is Ø.275. It should be visible in both drawing views but may get covered up in the lower view.

Step 5. Should instruct you to enter 14 for the number of instances.