"In this tutorial, you'll learn to design a realistic calligraphy pen from scratch. The tutorial involves a simple use of the Pen Tool and a few flexible Layer Styles. Lighting and reflection techniques are explained throughout the tutorial. This might be a quite useful for icon enthusiasts. Let's dive in Asher Abbasi."
Here is a link to the written version of the tutorial How to Create a Realistic Fountain Pen and the video version is below.