I have used ETABs one way load distribution button for a long time and it works great on flat floors and "slightly sloped roof" to distribute load based on tributary area.

Today though, a coworker of mine noticed on a slightly more pitched roof, angle of about 30 degrees, the ...

Now that the user interface for the concrete tool is up and running, I need to start working on the concrete analysis.

The first order of business is a meshing algorithm for the concrete shape. 

I do not know exactly ...

After learning the basics of threejs for the about page, I set out to develop a web based concrete design tool. A video of https://www.re-tug.com/concretedesign/  in action is below:

The Functionality

I set out to make a easy to use interface ...

A co-worker of mine asked if I could find a way to check min. joist bearing lengths after being burned on a recent project where they had a few beams that worked for strength and deflection, but did not match SJI's minimum flange dimensions for bearing.

With a desire to update my "about" page, I set out to kill two birds with one stone, a fresh new about page and learning 3d graphics in the browser. https://www.re-tug.com/about/ is built with three.js, a package built within Javascript to make 3d graphics.