In the post, I showed off a branding iron I had “printed” in stainless steel by Shapeways.com for US$6, after using the free vector image editor Inkscape, and parametric modeling software Alibre Design, which also has a free version called…
Some woodworkers like to leave their mark on their work using a branding iron, but at roughly $190 per iron, it can really be quite an investment. I took a less expensive route, using some free software, and a genius…
I’m working on a publication that includes a lot of temperatures, and I want conversions of those temperatures to be automatically inserted into the text in a consistent manner and without having to convert them by hand. Michael Mehlich’s excellent…
Here’s a great little online app that will test how good you are at “eyeballing” different measurements. Drag a point or line around to make simple geometric figures. After eyeballing seven different ones three times each, you’ll get a score…
This makes a great gift, t-shirt, mug, etc. for any computer or math geek, friend, child or baby! Write you name or message in up to 100,000 of the infinitely non-repeating digits of pi. PiShop is a free online application…
This makes a great gift for any baby who knows a programmer or who just wants to act like one! CodeOnesie is a free online application that allows you to generate customized image to use as a t-shirt transfer. It’s…
When we first moved out to NC, we lived in a small apartment with no room for a shop. I did manage to get some wood into this project, though. It was the first version of what turned out to…
A tiny I2C master controller designed to monitor and handle sensor loop and control operations. Conditioned power (+5V) is brought into this board, where it is coupled with the TWI for twelve external devices on three independent clock and data…