Blog – tutorials, notes, videos, and commentary. [migration of content in progress]

For my personal blog, mostly DIY, construction, and food, go to

  • Finding Content on This Site

    Most content here is a WordPress “post.” The exceptions are books and published articles, which are listed on dedicated pages you access directly via the main navigation menu. You can probably find the content you are looking for by searching using keywords. I’ve tagged most posts so that the search should work pretty well.

  • Drawing for Product Design

    I made three relatively short videos to teach my undergraduate students at Penn to draw. There are many types of drawing; the focus of these videos is quick visualization tools for communicating the form of physical objects. Video 1 – Basics </iframe> Video 2 – three simple types of drawings /iframe> Video 3 – two-point […]

  • How to name your product or company

    Innovators, marketers, entrepreneurs, and managers will face the vexing problem of creating a name for something they have created dozens of times in their lives. Here is a guide to efficiently creating a great name. If you prefer to learn via video, here is my Wharton Online tutorial in video format. Full Dot-Com Availability I’m going […]

  • Olipop (beverage) – David Lester Interview

    Olipop is a healthy prebiotic soft drink in traditional flavors like root beer. (Originally aired September 12, 2022.)