Elemental Mood Lighting : The Moving Bits

First I have to show off how nicely the prints turned out! Some of these larger pieces were printed over night for nine-hour periods and were completed without fail (which is surprising). In the morning there would be a loaf of stone sitting on the printer bed :

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Mark is responsible for creating these seamless linear designs on the face of the stones :

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We ran out of natural filament by the time we got to the ‘wind’ stone, so it’s in a silver/gray color instead. This one was printed last because unlike the other three stones, its design is on the upper portion which overlaps the wedge pieces that pop out. It called for a little more fuss and planning when designed :

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Over all, I’m extremely pleased with how they look so far. I can’t wait to paint them though….!

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I spent most of this past weekend getting the mechanical parts in working order. For this project, that’s actuating those three wedge slices on each face of the stone to slide out when ‘activated’ :

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I’ve had some tiny servo motors lying around from a couple of summers ago when I first started making delta robots… this is the perfect chance to finally use them. They fit nicely in the center of each column.

The LEDs also needed to be mounted somewhere on the top. The only realistic place to put them was in between the wedge pieces in the three corners. Luckily for Mark and I, we have a million little RGB LED boards for our Kickstarter kit (which we’re also working on fulfilling right now), so we were able to repurpose a few of those conveniently size squares. The mounting plate I design ended up looking like a very odd throwing star once it was printed :

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Alas, their design has two functions: to hold the LEDs, and to funnel the three push rods through the center to the motor, keeping them nicely aligned.

The servo bracket attaches to this LED throwing star piece like so :

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And the whole ‘core’ drops down the center of the stone through the top, resting on the foam core inside :

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This design is nice because all of the wires for the LEDs and motor fall straight down to the bottom plate of the stone, where one of our brain boards will be running the whole show (We also have a few prototypes of this board from our KS kit hanging around, and since they use the ATMegas 328 and already have designated servo and LED headers, they’re perfect for this job) :

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We have it rigged up so that when you hit a button, the stone opens and the LEDs slowly turn on. We also need to get all of the motors calibrated so that the wedges come out to the correct spot on cue and then suck back in all the way when deactivated.

The next step is to replace the button with some sensor input! Mark will likely work on perfecting that part while I texture and paint the outside of the stones. =]

 

Fifth Element Stone Mood Lighting

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Now that we’ve ordered all of our bits, pieces, nics, knacks, and parts for Maker Faire… Mark and I are left with a brief lull while we wait for things to show up. Instead of relaxing, we decided to do a ‘weekend’ project to fill the time.  The Sci-fi contest Hackaday is holding right now seemed like the perfect thing to overt our attention to, yet keep us sharp and in our maker headspace. As such… we’ve chosen to make a sic-fi themed prop from my personal favorite sci-fi, The Fifth Element.

This same article can be found on my hackaday.io page for this project here : The Earth Stone

First of all, if you haven’t seen The Fifth Element, all you need to know is that we’re making replicas of these fancy things below which will operate with mechanical and electrical parts instead of spooky earth magic like in the movie =]

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Mark and I decided that regardless of what the outer facade was made of, the inside of our stones needed to have a solid but light core which would give them structure and keep a consistent size throughout the four. Foam core will do the trick for this. As such, we modeled the shapes in their final dimensions in CAD and then worked our way inward to determine the measurements for the core.

The foam core bases were kept as one whole piece, scored in the areas where it needed to fold in on itself. Easy enough :

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I must note that initially we were going to glue floral foam to the outside of these, carve the markings into them, plaster the surface, and then paint them to look like stone, but lets face it…… we have a 3D printer.

Mark modeled the facade of the stones in CAD. We decided for the sake of printing in safe bursts (in case of fail), it would be smart to break the model into many ring shaped pieces which would stack onto one another. The lower green section is actually six separate smaller pieces :

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So far today we were able to complete the ‘Earth’ stone… because it has straight lines carved into it instead of wavy ones and is thus the easiest one to recreate. Mark and I printed six rings for the carved bottom half, and two slightly thicker rings for the solid upper half :

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It took the whole day to print all these pieces… but once they were done, I jammed them rather violently onto the foam core centerpiece (tight fit) :

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Each ring sits on a small groove/lip of the piece below it, so they lock together like puzzle pieces. The added pressure of the foam core forcing outward keeps them all firmly in place. The final structure is solid and extremely light weight :

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Aside from the design on the outside of the stones, we needed to plan for the moving parts at the top. The upper portion has 15mm wide slots in the center of each face. These are the parts that “open” at the end of the movie when the stones activate. We modeled three triangular slices that swing out on some wire as hinges :

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These metal wire bits slide into slots Mark made in the wall of the main piece :

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The wedges fit in place like so :

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These pieces will actuate via servo and wire pushrod. I plan to start on the servo and LED mount tomorrow while the pieces for the next stone are printing :

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So yeah… this is our Earth stone so far. Like I said, technical part comes next… and I’ll post an update as soon as I get this one activating and glowing all pretty-like. =]

I think we’re doing ‘water’ next btw. Stay tuned.

So, I won a tablet…

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Two weeks ago Mark and I attended the Atmel Tech on Tour seminar. This was my first time going to one of their events like this, so I didn’t know what to expect. The exercises brought back memories of being in my first electronics class in college, which also happened to be a grad level course I had no business being enrolled in. It felt sort of like I was drowning the whole time, but Mark was there to fish me out of any confusion I had while trying to navigate their massive programming platform.

At some point before the lunch break our teacher… ugh…. person giving the talk (who thought I was Mark’s ‘secretary’), informed us that Atmel was holding a sweepstakes for a Galaxy tablet which you could enter by submitting a selfie taken with the Atmel trailer in the background. Sweet! I may not be able to program very well, but I can take a picture with my phone just fine. =X

It was a windy day. The gusts sounded (and felt) as though they were going to send the little classroom trailer rolling through the parking lot. Mark and I did the best we could to take an interesting photo in such conditions. Long story short… I got an email today informing me that the dorky picture above won their contest… which is pretty nice!

I won this (and I honestly don’t know anything about Galaxy tablets, but hey… as I don’t own an iPad, this might be a nice tool) :

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Thanks Atmel for all the robot brains we’ll be ordering in the near future… and the tablet! <3 

Robot Army : Las Vegas Mini Maker Faire

I started composing an update a week ago… and never finished it. Now Mini Maker Faire is over. Oh well.

In any case… back then everything felt like it was falling apart. I wrote venting about how terrified, annoyed and disappointed I was that things wouldn’t just go the way they were suppose to. As we encountered one complication after another, each bump yielded an even better solution than what we were originally planning.

Long story short, all is going great again. Better in fact. We had an excellent Mini Maker Faire on Saturday. All of our friends and local backers came to see our kids perform and talk to us about our maniacal future schemes. Though we brought a soldering station and work lamp just in case an all systems failure occurred… nothing went wrong. Everything just worked…. the whole time (aside from the stupid Processing app crashing every now and then).

I could break it down in words and give you a play by play, but we decided to film it instead. So here’s a video to sum it all up :

Now that that’s over, time to start getting things ready for the real deal in San Mateo next month. We had originally planned on bringing 60 deltas with us to display (six pallets worth), but after experiencing the set up for just one with all the work it took to maintain them… Mark and I decided to lower that number to 30. This amount will fit in his Kia! So no mess with trailers and the like! We can’t wait! =]

Oh yeah… we ordered ALL of our servo motors today… for the kits and our installation. That’s 1000 servos….. =O Also, the largest purchase I’ve ever made in my life. Fun times. It’s happening!! The yellow onslaught is coming!

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Bunny Slippers of Death

My birthday was this past week and Mark made me something so frekkin awesome that I had to write a post to share it. First of all, we all know gifts that are made are far better than gifts which are bought. Gifts are even better still when they were made with inspiration from something you did… in this case, a drawing I made that Mark pulled into reality with his craftsman/techie prowess!

BEHOLD. Bunny feet of death :

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Mark collaborated on these with his awesomely talented friend from work, Emily Wiersma… who designed the ears, which she engineered to stand up and hold their shape when worn, as well as the adorable bunny faces!

Mark created the eyes, which are 3D printed compartments that hold both a power supply and tiny SMT LED!

I drew these almost a year ago back when I first started planning the Robot Army Kickstarter Campaign. Since I already own the red hooded robe, I can now actually wear this costume to Maker Faire. All I need now is the big centurion helm :

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HUZZAH!

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<3 Thank you Mark and Emily for yet another amazing life relic.

Robot Army : Printing + Drinking

Nitrogen Capsules = LED Diffusers

Here’s a St. Patricks Day story for those of you who are into that sort of thing. As you might have gathered, Mark and I like to drink beer while we work. Lately our brew of choice has been Guinness. We’ve been so busy now that we’re in fulfillment mode that we’ve neglected to haul our empty beer cans from the past two or three weeks to the curb. There is a mound of them piled in the corner of the kitchen waiting to be tripped over.

In short, we haven’t had any luck finding a more reasonably priced lens to go over the LED of our robots. The one we had found, though perfect in size and shape is freakishly expensive (We’re talking several times more than the amount we allocated for that part on our BOM). We had given up on finding a replacement for now, when this Monday on St. Patty’s Day Mark was making bacon and needed a place to pour off the grease. No doubt, an empty Guinness can was in reach… so he chopped one in half to use. Inside of the can was the little nitrogen pellet-ball thing that releases the gas once the can is opened. Would you believe that this stupid little white ball when cut in half at its seam is the EXACT size, shape and thickness we need for our lens? It even has holes on the sides for mounting. The best part of this discovery is that we already have 9075629081863587 empty Guinness cans lying around with little capsules inside waiting to be harvested. I hope some of you out there can appreciate how hilarious and awesome this is. How’s that for hacking and being environmentally friendly?

Like pulling pearls from an oyster :

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We aren’t sure if we’ll actually end up using them, but we figured since the universe handed us this coincidence, we’d give it a shot and see how they look with an LED inside. I’ll post pictures once I have one on a delta.

One-Million Yellow Arms

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In other news, I’ve printed more yellow arms than I can count. We just received our money from Kickstarter today (over two weeks since the end of the campaign), so the first order of business was to buy more filament. We’re well on our way to producing all the parts we’ll need… but this first batch will be used for our own installation coming up in April.

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Hexagons. They’re everywhere.

The Mini Maker Faire here in Vegas will be a test run for all the various elements in our installation. Jeff helped me cut the first wooden platform on the ShopBot last Monday which will house the deltas at a safe distance from one another so they don’t clash :

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If the design works out nicely we’ll need to make six of these total before the big Maker Faire in May. I’m thinking the design will need to be revised a little, but this is a good start! The hexagon design is quite fetching :

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This week we sanded and primed the base for its fancy paint job :

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We sprayed the finished piece a flat 50% grey. I plan on painting the hex ring bits that hold the robots in place a slightly lighter shade, and the edges will be a darker grey to give the base extra depth :

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Since I’ve adopted the honeycomb pattern… I started seeing it everywhere. Mark and I spotted this while running errands :

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It might seem like my yellow robots in their massive numbers nested on a hexagonal grid is a metaphor for bees. Hmmmm…. This occurred to me a couple of days ago while I was sitting outside having a glass of wine when a bee decided to land on the lip of my glass and take a dive. Mark scooped the bee out and set him on the ground to dry off. He was stained pink and rather uncomfortable seeing as he was soaked in stinging alcohol. He hobbled around while rubbing his little face with his bee hands… so Mark and I talked to him until he dried off and finally sobered up enough to fly away. We made a new friend.

This week I’ve been switching out all the old parts of my original prototype deltas for the new generation of parts that will be included in our kit. Once everything has the latest and greatest hardware we’ll see how the kids performs at their first live recital at the Mini Maker Faire. =] Delta Do!

Again, if you haven’t liked our Facebook page, you should!

And if you happen to make robots yourself- get on our forum and brag about what you’ve done. Now. <3

Oh, I’ll leave you all with this… So! It was my birthday this week and the night before I had an interesting dream. Now, I haven’t played WoW in years, but for some reason I dreamt that there was an event for my birthday which was causing people to get a delta robot as a pet in game. While I ran around as my paladin, everyone had tiny delta robots hopping behind them everywhere they went. It amused me. I may have to animate this…

Robot Army : Entering Phase 3

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Fremont Street Procession

To celebrate our first successful Kickstarter campaign, Mark and I threw a soiree at SYN Shop with our close friends. Much to our surprise, everyone brought liquor! Nerds drink? Heh. Once good and numb they toted me down Fremont Street with one of my robots in a royal procession on our friend Bill’s newly crafted dolly. I can’t believe this happened… the experience was surreal (Thank you guys for making me feel special!). The video explains the night better than I can :

The War Room

No one can mastermind a scheme for world domination without a proper war room to do it all in. During this first week since the end of our Kickstarter, we’ve transformed Mark’s workspace into a factory. We fashioned a 4′ x 8′ sheet of wood into a painted, polished table complete with central two tier hutch and power outlets (oh, and speakers of course… you can’t take over the world without listening to Rush). This is going to be where the remainder of our prototyping, manufacturing, and construction will happen as we dive head on into fulfillment mode! Which reminds me… in addition to building kits, we have a disgusting amount to do in the next two months ::quivers::

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We Are Doing Maker Faire

…not just Mini Maker Faire in Las Vegas on April 5th, but the full blown big kid Maker Faire in San Mateo on May 17th and 18th- which means in addition to compiling kits, we need to have several pallets worth of deltas built and functioning with a proper show demo in a little less than ten weeks!?!!!1 zomg. Can’t slip up now. I’ve been dreaming about showing my field of light in the Bay Area now for the past year, ever since I walked into their dark room with Jeff and thought to myself ‘I will own this one day‘. Little did I expect I’d have my chance so soon! While I’m pleased to announce that Mark and I will be there… my test starts now.

So, 2400 yellows…

Mark and I will be assembling a grand total of 215 kits for our backers (you guys rock!). We also need to build an additional 150-200 deltas for our own devices. At six yellow arms per unit that puts us at a nauseating 2400ish pieces we’ll need to produce. Sadly, we didn’t quite hit our mark to get big kid injection molds tooled. The method of 3D printing the parts will take more printers than we have access to in order to get things made before Maker Faire. The solution to this issue is to cast our arms. I was really apprehensive about considering this as an alternative, however Mark has made me some rather sound samples and it’s starting to look like the way to go. If our test parts hold up to a good long torture run- we’ll likely be pouring molds for the arm pieces and dying the resin neon yellow. This will take a little bit of tuning and set up, but on the bright side… once we’re ready we’ll get ALL of our arms made in a few days, rather than months (SWEET).

We’d be making several big molds of ten to twelve arms each. This was our test mold/cast :

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We’ll continue testing different resins throughout the week, while trying to match the color! Wish us luck!

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The Lone Delta

In other sorta sad, but good news…. Mattias has been running nonstop in the window at SYN Shop for the past week  WITHOUT FAIL. Looks like we have a winner. It’s still there as I write this, bobbing and wiggling in its tweaky way. We know you miss us but you’ve made mommy and daddy very proud, and you’ll always have something all the other little deltas won’t. Experience. <3

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If you are a part of this project or want to be, join our brand new forum and start talking about stuff robot related! You can also like our facebook page- because why not?