This free pencil PowerPoint template is a style and free design for PowerPoint presentations with a pencil indicating time progressing can be used for any general purpose presentation. Not all template materials are as flexible as this one. You are allowed to change shape size and colors, add additional pictures or clip arts, and change the background.
Abundant and versatile 3D block diagram examples are assembled on this sharing community, which is downloadable, editable and customizable. Upload and contribute your own great works to benefit more users.