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BarMixvah: 3D Printing a Robotic Bartender

May 27, 2014   //   by Bob Warfield   //   3D Printing, Blog, CNC Projects, Cool  //  No Comments

I really love the idea of Food– and Drink-Making CNC Projects, being an amateur chef who has been a guest chef a number of times at our local restaurants.  This is the most complete project I’ve come across yet for building your own barbot–a robotic bartender that mixes drinks.  It’s called “BarMixvah” and was created by Apple Engineer Yu Jiang Tham.  Here is what the machine looks like:

BarMixVah1

BarMixvah:  Your Robotic Bartender…

BarMixvah uses an Arduino (a very popular inexpensive single board computer for projects like these) to control four peristaltic pumps.  This is similar to Bartendro, a Kickstarter barbot we’ve written about before.  These little pumps are ideal for this application because they simply move rollers over plastic tubing.  They’re easy to clean, easy to make food safe, and capable of metering ingredients precisely.  Even better, they’re pretty cheap.  BarMixvah’s pumps run on 12V DC and cost just $14 apiece on Amazon.

The project includes all the information needed to build your own BarMixvah including the stl files for 3D printing and the code for the software on github.  Once complete, BarMixvah is run from a web server, which makes it easy to control from your iPad or other web browser.

Here’s Jiang demonstrating BarMixvah and talking about it:

I’m really tempted to dive in and build my own BarMixvah.  Just a couple of things I’d like to change.  First, I want more ingredients.  Five ingredients is interesting, but consider the ingredients needed to make a Martini Bot that can make classic Martinis, Cosmopolitans, Appletinis, and Lemon Drops:

–  Vodka

–  Olive juice (I prefer “Dirty” Martinis)

–  Cointreau

–  Cranberry Juice

–  Lime Juice

–  Simple Syrup

–  Apple Sour

–  Lemon Juice

That’s 8 ingredients.  Sure, we could forgo one or more cocktails to pare down the list, but what fun is that?

Second, I would alter the design for parties so that a set of extension legs would allow it to sit over a “Martini Luge”.  What’s a Martini Luge?  I thought you’d never ask!

It’s a type of ice sculpture where you pour the martini at the top of the ice and it makes its way through the ice to your glass.  By the time it gets there, it has been chilled very cold.  Forgotten shaken or stirred, make mine a vodka martini, luged.

MartiniLuge

Martini luges are fun for parties and special events…

The need to carve an ice sculpture to make the Luge raises the issue of possible further CNC involvement.  Just see our story on CNC’d ice for your whiskey to get some ideas or Google Martini Luges.  Don’t like cocktails?  No worries.  You could still use a Barbot and Ice Luge to mix different party drinks.  Try Italian Sodas, for example.

 

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