Posts

  • Drawing with Wacom Tablet and Inkscape

    I bought a Wacom tablet many years ago, and I wanted to draw with it on my modern laptop (including pressure sensitivity). My Wacom Graphire (ET-0405-U) tablet didn’t work when I plugged in the USB port of my computer (Windows 10, hp EliteBook); here are the steps I needed…

  • Modeling a Water Polo pool

    I’ve been playing water polo with Denver Squid and thinking about ways to improve my game. I think some “virtual water polo” practice might help; but what should a virtual water polo field look like?

  • DIY Leveling Survey

    As a kid I would watch surveyors at their tripods as they carefully calibrated their instruments. Today I learned more about their instruments so I could get make a topographical map of my front yard in Sketchup.

  • Learning three.js

    After learning how to use SketchUp, I wanted to learn more about rendering 3D using Javascript. three.js is one of the most popular 3D libraries for the browser/WebGL. Read on to learn the basics

  • 'Eight Queens' Problem with Observable

    @coolbutuseless has a great blog on solving the “Eight Queens” problem using R. To challenge myself in translating “R” code, I created an Observable notebook. See the final product here; read on to learn how I did it.