Over engineered Bracket

What do you do when a $0.05 part breaks on your IKEA coffee table? Order a new one, right? Of course not! You learn how to use your favorite CAD software’s topology optimization package! The algorithm that is used by most of the CAD packages is called SIMP. The important thing to know is that…… Continue reading Over engineered Bracket

First CNC project

First project! A little shuttle-inspired spaceship carved from pine. CAD I whipped it up in Fusion 360 with the sub-d modeling environment. CAM I used Fusion’s built-in CAM package. Adaptive clearing pass (1/4″ flat endmill) Morphed spiral finishing pass (1/4″ ball endmill) Cutting Result

3d printed airplanes

I printed a batch of airplanes for co-workers. I spent a while trying to optimize the size without increasing printing time too much. Eventually I pitched it up 15 degrees and turned it diagonally. Here’s an earlier slice:

Sculptures

I’ve been doing a series of sculptures. Originally the motivation was to build a webcam holder so that I could monitor 3d prints: The original one The second one was more organic and had mostly parametric features with one sculpted feature: The next one was almost fully sculpted. A mechanical engineer at work asked if…… Continue reading Sculptures

Doorstop

My lockdown office has a door to the deck which I like to leave open when the weather’s nice. The doors were banging around in the wind, and since you can’t get doorstops or toiletpaper during lockdown I made my own. They work OK.