I Dream In Code

Jewelry Box for Valentine’s day

Posted on February 12, 2016 by Kevin

Decided to make my wife a jewelry box for Valentines day. I’ll start with the finished product:

Design

Stopped by my local Rockler shop and found some hinges and a latch I liked.

Started designing in SolidWorks.

Final solidworks

Wanted to try making an inlay with Mel’s name on the cover with a combo CNC and laser cutting.

final closed

Needed a font with all rounded corners so the CNC bit would match exactly the laser cut part. Found one called “Days” on Font Squirrel that looked sharp.

Build

Thanks to my local makerspace, Crashspace, I used the CNC to cut the box out of 11″ wide walnut.

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I made the bottom of the pockets with a dish carving bit, it has rounded corners and a flat bottom:

Switched to a 1/4″ straight bit to cut out the rest. IMG_20160208_140039

Bottom 3 layers and underside of the lid cut.

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Test assembled with 4 oak dowels. So far so good.

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Returned the lid to the CNC to cut out the inlay with a 1/8″ straight endmil. Looks nice and clean.

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Laser cut letters and glued them in place. Not pictured, the laser cutter and individual letters. Forgot to take a picture of that. White wood is 0.10″ plywood.

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Next up, the drawers.

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Time to sand, sand and more sand. But starting to look sharp.

The spray on Shellac worked really well.

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I did not account for the brass knob screw depth when designing the drawers, and it went way through the drawer. My fix, laser cut a little bit of black acrylic to hide the screw. Even helps keep the knob in place.

IMG_20160212_144103 Added the final hardware and assembled. IMG_20160212_144125 IMG_20160212_144114

Used a little Wipe On Poly to seal the wood.

Thanks for checking it out!

Here are the design files in SolidWorks format.

Cat Tax.

Posted in CNC | 7 Comments

Activity Board for my niece

Posted on December 19, 2015 by Kevin Jordan

I made an activity board for my niece for Christmas. She loved it!

Final product:

Started out last week with a goal of using stuff I had laying around the house to make an activity board for my 22 month old niece.

Found a few gears, a Sharp distance sensor, a micro servo, some light switches, an Ethernet wall plug, some LED lights, a counter, a fan, some buttons (from the musical chairs), and an extra break beam sensor from my cat wheel. I figured I could make something like my grandfather made for us when we were kids with locks and hinges but updated a bit with an Arduino.

I drew something up in SolidWorks then started cutting an old shelf I had on the CNC ShopBot at my local Makerspace, THANKS CRASHSPACE!

First round of cuts on the shopbot.

Things fit pretty well. I forgot a couple holes for mounting the box, the break beam sensor wires, and the recessed area for the Near Far sensor’s laser cut acrylic protection.

Final set of CNC cuts turned out pretty well. Now for printing the mounts for the break beam sensor.

While that was printing, I laser cut the parts for the near far sensor.

Next up, wiring.

This is almost all the wiring. I forgot to take a clear picture before I sealed up the box.

Early test of the programming. I had to order a red button for the color wheel.

Built a box at 12 degree angle so she can use it standing up.

Picture of the family.

Complete!

I used another piece of acrylic I had used for another project to seal up the back. The box is powered by a 12v DC adapter @ 1.0 amp.

The O-shit moment, I had to get this on a plane and had not measured my suitcase. Luckily I had a bigger suitcase laying around.

My niece loved it!

When she learned how to kick the foot pedal she was VERY excited.

Might need to learn where to plug in the Ethernet cable.

Thanks for checking this out. I was inspired from the reddit post “My daughters’s activity wall” and thought I could make something like that!

Thanks again to Crashspace for helping me make this happen.

This project was completed in 11 days, from inception (Dec 8th) to delivery (Dec 18th) so a few corners were cut. I’d like to make it battery powered but that got nixed. I also realized I didn’t bring out the USB connection to re-program it so I would have to unscrew the back to do that. Overall, a huge success with the niece.

Edit: Thanks oomlout for the great write-up on your site!

Bill of materials:

Solidworks files
Arduino Sketch

Edit:

This is the original busy box my Great Grandfather made for my dad. We played with this thing for years as kids and my cousins still have it. Decent shape for being 55+ years old. It was the inspiration for my version of the activity board.

Posted in 3dprinting, Arduino, Videos | 1 Comment

6 foot hot wire foam cutter

Posted on July 21, 2015 by Kevin Jordan

I made a 6 foot long foam hot wire cutter for a project.

Finished product:

Hot wire connection point:

Power side:

The cut started out great! then went downhill as we moved left.

It stretched and drooped, sadly.

I’m planning on getting some thicker wire and trying it all again.

Cat Tax

Posted in Randomness | Leave a comment

Cat Wheel activity tracker on Strava

Posted on July 1, 2015 by Kevin Jordan

My wheel from OneFastCat needed something. I wanted my cat to be able to compete on Strava with other cats but there was nothing available. Strava is a website and mobile app used to track athletic activity via GPS.

So, I made this system.

It is a breakbeam sensor connected with a Raspberry Pi computer. A fin on the outside of the wheel breaks the path of the sensor. Each rotation is mapped into a GPS location in the real world, moving 3.5 meters per rotation. After 100 seconds of no activity, the Raspberry Pi automatically upload’s to Toonces’ Strava page. The system resets automatically for the next wheel run.

Next up: Figuring a way for Toonces to run on the wheel without interaction from me. He can drive a car, but can’t run on a wheel.