Instructables
Picture of DIY Skee Ball Machine
The skee ball machine is a wonderful thing. The simple experience of rolling a ball into a target is so freakishly satisfying that I used to play as much as I could as a kid at the local amusement park/mini-golf course. The sound of the rolling ball on the ramp, the pop as it launched in the air, and the bouncing as you hoped it would hit the 50 or even the 100.

So when the idea for doing a bigger project came up, I jumped at the chance to make a DIY version. I was amazingly lucky to get a lot of help from the folks at Because We Can who did the design and fabrication of the machine on a Shopbot.

Note: this version was made for Maker Faire and as such has a few loose ends. It survived Maker Faire (mostly), but needs some more work to be bullet-proof.

 
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Step 1: Get Stuff

Picture of Get Stuff
Electronics Software
  • Arduino
  • Processing
  • Illustrator (or other vector graphics program)
Display
Cabinet
  • 7 sheets of 3/4" plywood
  • gorilla tape
  • netting
  • wood screws
  • paint
Tools Other
  • Balls. These are balls from the ice ball game and were bought on eBay (search for "ice balls skee") for $10 each

Step 2: The four main pieces

Picture of The four main pieces
These are the four main pieces of the skee ball machine. These can be easily taken apart so that the whole thing can be moved in a 10' U-Haul truck. The ramp slots onto the cabinet and doesn't use any fasteners to be attached.

The Revit files for the skee ball machine are attached. With this design, the pieces were cut out of 3/4" ply on a ShopBot. The assembly is straightfoward as it's a tab-and-slot design.
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jshimon8 months ago

I'm having issues getting the software side of this figured out. Has anyone successfully gotten that working? I PM'ed OP but did not recieve an answer.

ccbarr9 months ago

Is there anyway to receive more detailed information of your Arduino instructions? Thanks - looks great!

Rad racer811 months ago

Hey was just wondering what degree angle the wood with the holes in is at? Cheers

p.s cool design

jeffspace200211 months ago
Wouldn't it also be fun to have a device to measure the speed of the ball? I really enjoyed your project, lots of really cool ideas! Thanks!
As I literally live 75 miles away from the nearest make shop or any open shop bot, I was wondering if you could "port" the drawings so those of us who've mastered the original 'shopbot,' aka the router, could have a go at a skee ball machine.
Gyvven gargoyle16911 months ago

We're in the process of building this ourselves. We have the Rings cabinet built already and should have the playfield finished in the next month or so. Probably without cork on the ramp, maybe rubber or something similar.

I made PDFs and DXFs of all the individual pieces, and fixed a couple of errors (a couple missing holes). We used these to plug into our 4x4 shopbot and had to figure out how to index the pieces that were longer than 4'. Not an easy task.

If you want a copy of the files I can send them, just PM me. The PDFs don't have piece counts, and they need to be scaled up 4 times, the DXFs have all the piece counts and are accurate exports from the Revit model.

IMAG0363.jpgIMAG0367.jpg
fungus amungus (author)  gargoyle1691 year ago
I could if I knew more about Revit. Let me see if I can get more accessible files out of it.
tpardue11 months ago
I was wondering where did you get the cork and how did you secure it to the ramp?
jrinvelt1 year ago
Anyway we could get the shopbot files? I think I can get Revit to DWG, but the next step might be beyond me.
Revit? How would you use Revit to create something like this? Revit is only for architectural renderings (it was never originally intended to create build-able models, either). What CAD did you actually use?
fungus amungus (author)  AJMansfield1 year ago
It was actually Revit. I didn't make the file, an architect did.
It's still the wrong piece of software for the job.
Tell that to this guy: http://buildz.blogspot.com/2010/04/elephant-in-room.html. He created an elephant completely in Revit.

I use Revit everyday and I'm just as happy modeling in it as in some of my other modeling software. Sure, it's not as robust as some but for this project I think it would be great.
fungus amungus (author)  AJMansfield1 year ago
Is it still wrong if the results came out right?
Well, there is that. The main problem with using something like Revit for this is that it encourages Autodesk to add misfeatures (like the ability to do this) to their programs, making it all that much harder to use it for its real purpose when one needs to. This is actually a quite serious problem, as exemplified by the current Revit itself, which (as I said), was only ever intended to be used for architectural renderings, but which now has a large number of 'extra features' that get in the way, and give the user the illusion of being able to actually design a whole building with it.
And then, of course, company managers see the software, get conned into it by that illusion, and then the real engineers have to use it, rather than an actually good BIM program.
I like the results of your project, though. I wish I had my own one now...
fungus amungus (author)  AJMansfield1 year ago
Thanks. Me too. This is currently in storage. Too big for our office and way too big for my house.
fungus amungus (author)  AJMansfield1 year ago
Perhaps, but this is not a complicated project and the person who designed it used the software that he normally uses for architectural purposes. I doubt that skee ball design needs will be driving forward changes at Autodesk. I see what you mean about a greater problem, but this is a tiny tiny subset of that.
May be but people have been using the "wrong software" for years and getting great results, otherwise we would not have a maker sub-culture.
Is there no way to get an exploded diagram with basic dimensions? I don't have Revit or anything like it. But I do have the ability to cut the parts myself on a water jet machine if I can draw the parts. Some basic dimensions would be helpful.
fungus amungus (author)  happyalegrias1 year ago
You can get Revit free for a month.
First of all, let me say how impressed I am with this instructable! There was clearly a fair amount of time that went into this machine, and it's clear that everyone involved worked very hard on it. I love the overall aesthetics of the machine as well as the Arduino integration.

That said, I would like to build one of these for an upcoming course project (the deadline of which is mid-December). I'm an EE student and this would certainly make good demo of what we're doing in my microcontrollers class. Anyway, the fact that the files are uploaded in native Revit formats makes them very time-consuming to get to the point where I can actually send them out to get cut; Revit it not a standard tool in the manufacturing industry.

Would you please try to get the person who created these files to export the different parts separately as either DWG, DXF, or STL files? This would allow other people to take them directly to a machine shop/makerspace to get them cut. Not providing de facto standard file types hinders others' ability to benefit from and enjoy your hard work. If this is not possible, I will gladly bumble my way thru Revit to extract usable files and forward them to you so that others may use them as well.
arpoky1 year ago
Was this built at the office? I think I saw it before it was finished when I visited in July!
fungus amungus (author)  arpoky1 year ago
Nope, built in Oakland. Was done for Maker Faire in May and later stored at the office.
hackmattr1 year ago
Add a coin acceptor and you can have a big piggy bank for your next project.
fungus amungus (author)  hackmattr1 year ago
YES. This was something huge on the list of things to add. Adafruit has a nice one. Was even thinking of getting custom tokens made for Maker Faire so that we could make sure people didn't play twice in a row with people waiting. As it was, the line took care of itself since there were typically 10 people watching and waiting.
dude your my hero I love skii ball my dads gonna try to make it
DomNewell1 year ago
That is wicked. nice job :-)
Fantastic job with some great design flair! Hope I get the opportunity to build one at some point! Thanks!
syates31 year ago
Use this as a way to practice for hours then go into one of those arcades where they have one for tickets and score a perfect 900 get a few thousand tickets for a few dollars. The machine looks great, wish I had one, I always loved skee ball, and I love the classic look to yours. If I had the room I might try my hand at making one cause those mini ones just don't give the same feeling.
Can you put in a link for the balls please?
I am in the gathering stages for building my own Skee-Ball lane.. I purchased 3-inch maple hardwood balls from Woodworks Ltd. (www.craftparts.com) which I took to the arcade and compared to actual Skee-Ball balls and they are almost identical size and weight... I did not throw one at the arcade because although I know the operator pretty well I didn't want to have him have to open up the lane to get it back for me. I am going to stain and/or poly them.

Here is a link... http://www.craftparts.com/wooden-balls-p-2423.html?cat_id=279

Oh, the best part? The price! 10 for US $36.50 plus $5.95 shipping for a total of $42.45 for a set and a spare... much better than the price anyone who calls their balls "Skee-Ball balls" would ever let a set go for!

Wood Ball for Skee-Ball.jpg
fungus amungus (author)  akagoldminer1 year ago
They were purchased on ebay and cost about $9 each
fungus amungus (author)  fungus amungus1 year ago
Or $10. Added info to materials list.
Thank You Very Much.
I made a skeeball game similar to this and used 11" circumference (women's size) slow-pitch softballs. I removed the covers and had to clean off some adhesive residue from the plastic core, but they work great. Plus, I got them for free from a local recreation department where I live (they were used). I'm not sure if they would fit with this plan, but it could be an option.
This looks great! Very nice colour choice.
Looks like I'm going to have more and more of an arcade in my house.... when I have a house... ;)
earlye1 year ago
My wife has been hounding me for ages to make a skee ball machine. Now I don't have any more excuses! Thanks!
kakmer1 year ago
Wow! This is great!!
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