This is an excellent tutorial that introduces the 3D tool in Adobe Illustrator quite well. No matter what your skill level is, we’re certain that you will find this step by step tutorial quite useful.
Simona Pfreundner  is an accomplished designer / illustrator. She also has quite a knack for teaching apparently. Show her some love.

“In this tutorial, we’ll show the beginning Adobe Illustrator artist how to create a 3D push pin with the 3D Revolve Tool. We’ll learn how to apply highlights and create shadows for a more realistic effect and add a paper note to it”
– Simona Pfreundner

Simona Pfreundner's Pushpin and Notepaper Vector Art Tutorial