29th Feb 2016

Wood Gears

I was asked to make some gears in plywood. I made them in three layers out of different colors of wood. I used oak and maple ply. They came out...

20th Sep 2014

Squiggly Draw V3

Here’s another version of Squiggly-Graph I made for three-year old Baby Angelo. I tried bigger teeth to see what would happen. One of the two gears is actually captive once...

16th Sep 2014

Gear Toy

I making a gift for Baby Angelo (3 years old). I want to make him a gear toy. It will be peg-board and bolts that thread in from the bottom. Gears will...

07th Jul 2014

Continuous Rotation Servo Hack

I needed motors for a small robot and I wanted to keep it simple and inexpensive. Ordinarily you need a DC motor with gearbox and an h-bridge or motor drivers. Lots...

07th Jul 2014

Swirly Draw V2

Swirly Draw V2 is like the original Swirly-Draw except it has magnetic paper holder (like Art-O-Matic and Isocel-Ease). The idea of Swirly Draw was to be small and simple  but I...

27th May 2014

Swirly Draw

It’s a drawing machine you crank! Sort of a kid-version of art-o-matic. Seems easier than squiggly-draw too. I think this is great for kids. This one has a ratio of 39:40. I like it!...

21st May 2014

Hey Kids! Squiggly Draw!

I just made this Spirograph-like toy! I can’t seem to put it down. It’s for a 5y old birthday gift. Her’s is acrylic but I made another from hardboard for me...

15th Apr 2014

Art-O-Matic

I’ve not done any drawing robots in a while and I got the bug again. I drew Art-O-Matic up in Sketchup (and gear generator) then made the parts from hardboard using a CNC cutter. Added...

19th Jun 2013

Electric Motor Gearbox

Here’s another version of the Simple Electric Motor project. I added a 4 stage gearbox to make it more fun and interesting. Each stage has a 4:1 gear ratio. Here are...

21st Dec 2012

Billboard Thoughts

I’m collaborating with my friend Raven. We’re still at the drawing board but we’ve talked about those billboards that change images using rotating triangles. It’s a cool way to incorporate...

12th Oct 2012

Interference Rooster

I make a rooster each year for the Atomic Rooster Cock Show. This started off as a remote control project but I decided to just go with a switch. I designed...