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The Cool Parts Show

The Cool Parts Show is a video series from Additive Manufacturing magazine. Hosted by editor-in-chief Peter Zelinski and senior editor Stephanie Hendrixson, each episode focuses on a cool 3D printed part to explore how it was made and what it reveals about the possibilities of additive manufacturing.

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Latest Episodes


The Cool Parts Show Season Three Begins

August 11, 2020 Additive Manufacturing’s hit web series The Cool Parts Show continues with more episodes. The YouTube series showcases the parts and possibilities additive manufacturing is making real. Will you help us reach future AM users?

The Cool Parts Show Season 2 Out Now

March 23, 2020 Season 2 covers cool 3D printed parts from a major automaker, a custom glasses company, a drone engine manufacturer, a dental lab and a research organization.

The Cool Parts Show Team

Peter Zelinski


Peter Zelinski helped to launch Additive Manufacturing in 2012. As the brand’s editor-in-chief, he is exploring the advance of 3D printing as a means of industrial production, increasingly including scale production. He is a regular speaker at the Additive Manufacturing Conference, and he is co-creator and co-host of a video series, The Cool Parts Show, which showcases interesting 3D printed end-use parts. In 2020, the series won Niche Media’s award for Best Use of Video. Pete also serves as editor-in-chief of Modern Machine Shop, a sister publication focused on metalworking and CNC machining, and the magazine he has been part of since the late 90s. He holds a degree in mechanical engineering from the University of Cincinnati.

Stephanie Hendrixson


Stephanie (Monsanty) Hendrixson reports on 3D printing technology and applications as senior editor for Additive Manufacturing, and is also co-host of The Cool Parts Show, a video series that highlights unique, unusual and weird 3D printed parts. She got her start in manufacturing media in 2012, through an internship with AM's sister publication Modern Machine Shop, and continues to contribute to MMS as a guest blogger.

Stephanie is a current co-ambassador for the Cincinnati chapter of Women in 3D Printing (Wi3DP). In 2019 she was named among Temboo’s 20 Women in Manufacturing That Are Influencing the Industry, and previously appeared in a panel discussion on “Digital Transformation: Gaining a Competitive Advantage with Data and Diversity” hosted by Women in Big Data at IMTS 2018.

Stephanie holds a B.A. in English literature and history from the University of Mount Union, as well as an M.A. in professional writing from the University of Cincinnati. She currently serves on the UC Professional Writing Advisory Board.

Stephanie is an avid runner, food enthusiast and sourdough baker. She lives in Ohio with her husband Paul and rescue cat Artemis.

Austin Grogan

Austin joined Gardner Business Media's Custom Content Team in 2017 as the company's first videographer. He works with all 12 brands creating engaging editorial and marketing video content for various segments of the manufacturing industry. To put it in a lighter sense, Austin aims to find the beauty in manufacturing and combine it with technical knowledge for both old and new generations to enjoy through an expanding digital platform. Austin graduated from Ball State University with a B.A. in video production. He spends most of his time immersing himself in geek culture and discovering new hobbies related to that culture.