algorithmic modeling for Rhino

Andy Payne
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Firefly Now Available
25 Replies

Started this discussion. Last reply by Henrik Leander Evers May 12.

Screenshot of Viewport
4 Replies

Started this discussion. Last reply by Andy Payne Oct 2, 2013.

New Firefly Now Available!
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Started this discussion. Last reply by AB Jul 17, 2013.


Andy Payne's Page

Latest Activity

Andy Payne replied to Ludwigh's discussion STOP KINECT in the group Firefly
"If I understand correctly... what you're looking for is a start/stop input to the Kinect (video stream component)?  Is that correct?  Are you working with Kinect V1 or V2?  It probably wouldn't be too difficult to add a new…"
Henrik Leander Evers replied to Andy Payne's discussion Firefly Now Available
"Hi Andy This looks like a great update. Thanks. :) We are about to try and buy the Kinect V2 to connect it with Rhino/GH through Firefly. I was wondering if there is a specific version of the Kinect V2, which we are supposed to buy? I ask this…"
May 12
Andy Payne commented on Daniel Piker's video


"That's great.  Looks like the physical models you were building at Smart Geometry in Copenhagen."
Apr 19
Andy Payne liked Daniel Piker's video
Apr 19
Andy Payne replied to Rafael's discussion Problems to see data from Arduino MEGA 2560 in the group Firefly
"The RHT03 (also known as DHT-22) is not a sensor which returns an analog value.  Rather it has a one wire digital interface... which makes it more complicated to work with.  I would recommend going through this tutorial to get an idea of…"
Apr 15
Andy Payne replied to Chris Kelusak's discussion Firefly and arduino sketch in the group Firefly
"I'm not sure I completely understand the question.  Firefly is setup to work with the Firefly Firmata.  Once that's uploaded to your board, you can have the Uno Write component stream data to a specific pin on your board.…"
Apr 14
Mark Wang commented on Andy Payne's video

Firefly Kinect Hand Tracking

"Excuse me Andy, I m questioning how to get the trajectory you ve got in this video? Now I m trying to let this interact with a kinetic wall, so this trajectory is important to help for getting the kinetic pattern. Thanks"
Apr 10
AntoVina58 liked Andy Payne's video
Apr 10
Andy Payne liked David Reeves's video
Apr 8
Andy Payne liked Daniel Piker's video
Apr 8
Andy Payne commented on manny ferro's blog post Stepper motors with the Firefly shield
"Also, if you're using the Firefly Prototyping Shield, you'll need to modify the Quad Stepper Firmata to work with the correct pin numbers.  The shield uses Pin 10 for controlling the direction and Pin 12 for the number of steps.…"
Apr 2
Andy Payne commented on manny ferro's blog post Stepper motors with the Firefly shield
"A couple of things I notice that seem strange in your image.  First, it seems odd that you're COM port is showing Port 1.  Usually it starts at 3 and increments with each new board attached to your computer... so 1 seems strange.…"
Apr 2
Lasath S commented on Andy Payne's video

Firefly + TouchOSC

"Hey Andy, Im having trouble with the syntax sending data back to Touch OSC. If I have an led (led4) in page 0 and I want it to turn on. What exactly do i need to type to achieve this? "
Mar 31
manny ferro left a comment for Andy Payne
"Hello , Andy I sent you a friends request. I am emanuel From the workshop at TEXFAB.  I am having a issue with the steppers and was wondering if you could take a look at the Grasshopper build that i have used from the library samples. Thank…"
Mar 31
manny ferro liked Andy Payne's profile
Mar 31
Andy Payne liked Daniel Piker's video
Mar 30

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Andy Payne's Blog

New Firefly Website with Shop

I am excited to announce that Firefly has a new and improved website (  The website has many new features including a new forum and an e-commerce shop which includes products like the new Firefly Interactive…


Posted on July 2, 2014 at 8:40am — 2 Comments

Facades+ Interactive Surfaces Workshop

I am excited to be teaching a one-day Interactive Surfaces workshop for the upcoming Facades+ Conference being held in New York City on April 11th-12th.  The…


Posted on March 19, 2013 at 9:47am

Firefly Now Available for Rhino 5.0

Hi Everyone,

After a long time coming, the complete Firefly toolkit has finally been upgraded for Rhino 5.0 (both 32-bit and 64-bit versions).  This new release includes an updated C_sawapan_media.dll (many thanks to Panagiotis Michalatos!) as well as a new installer!  

The installer should automatically remove any previous versions, and copy all of the core Firefly Grasshopper Assembly files (as well as any needed dependencies) into the roaming Libraries folder on…


Posted on February 4, 2013 at 5:54pm — 1 Comment

Firefly Kinect 0.0004

I have just released an update for the Firefly Kinect (ver. 0.004).  There had been a small bug in the Kinect Video Stream and Kinect Depth Stream components which has now been corrected.  As before, this build uses the Microsoft Kinect SDK 1.5, which means the components will only work in Rhino 5.0.  For best results, I recommend using Rhino 5.0 32-bit version as the Firefly Kinect components also rely on some of the C_sawapan_media.dll functions which has only been compiled for 32-bit…


Posted on October 3, 2012 at 12:45pm — 3 Comments

New Firefly Build, Website, and more!

I'm really excited to announce the release of several new Firefly endeavors I've been working on over the past few months.  The first is the release of a new Firefly Build (1.0067) which is compatible with the latest version of Grasshopper (0.9.0006).  This release has a lot of new features…


Posted on August 17, 2012 at 2:26pm — 9 Comments

Comment Wall (24 comments)

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At 11:49am on March 31, 2015, manny ferro said…

Hello ,

Andy I sent you a friends request. I am emanuel From the workshop at

TEXFAB.  I am having a issue with the steppers and was wondering if you could take a look at the Grasshopper build that i have used from the library samples.

Thank You

Manny Ferro

At 7:06pm on June 15, 2014, Matthew Gilbride said…

Thanks Andy. That cleared up a lot and reinforces what David explained. Had the same thought about handling the high frequency data on Arduino and sending data much less frequency to Grasshopper. Sounds like a challenge that will take some time to figure out. 

At 11:22am on June 15, 2014, Matthew Gilbride said…

Hey Andy. Have much enjoyed your gcode definitions in the past and have started using firefly, another great tool. I am trying to do something that sounds like it may have a technical roadblock. I want to read pulse output from an arduino that is running the gcode interpreter GRBL. I use grbl with my diy cnc but I am trying to cobble together a simulator for testing and understanding the firmware and gcode programs I use. The arduino pumps out pulses that are only 5-50 microseconds wide. I think I can set them as big as 255 microseconds wide. I can read the output at 1ms intervals using firefly but obviously drop a lot of information. Do you think there is a way to successfully read those pulses in through firefly? 

At 2:35am on June 8, 2014, Anan Ashour said…

Hey Andy,

many thanks for your great plug-in.

I am trying to start using Kinect in Grasshopper and I am wondering if you can provide me with some tutorials/hints for beginners?

Many Thanks

At 12:54pm on February 14, 2014, philip pappas said…

Hi Andy,

i've hooked up a dc motor with an h bridge circuit and i have been able to control the rotation and speed so far through Arduino code. Now i wanted to do the same through Firefly, but it keeps working with the Arduino sketch ignoring the current values i am sending through Firefly, shouldn't the Arduino sketch be overwritten? However that was not the case with servos..

Should i reset the Arduino?

Thank you

At 11:06am on December 18, 2013, shahriar akbari said…

Hi andy 

I've been trying to work with OSC lately,but unfortunately i was not able to send data from my ipad to grasshopper although I was able to send some data from grasshopper to ipad. all the port numbers and page numbers and stuff seem to be right. i was wondering if you could help me. thnx in advance 

At 4:00pm on October 25, 2012, lmnts said…


FYI, I just hooked up a different type of stepper motor ( and the speed is much better.  This must be a hardware issue I'll have to look at.  Sorry for the trouble.


At 2:06pm on October 25, 2012, lmnts said…


I really appreciate the quick response.  My issue here is speed.  I took a look at AccelStepper.h, which mentions that speeds above 1000 steps/sec are just to test it, I tried setting the stepper speed to 1000 on the quadstepper component.  The steppers I'm using are vextas:, which have a step angle of .9.  So a speed of 1000 should give me an rps of 2.5, but when I set the quadstepper to a speed of 1000, the actual rps I'm getting is really slow, its more like .2 rps. 

At 1:39pm on October 25, 2012, lmnts said…


Thanks again for your help today with the capacitors. I have another question regarding quadsteppers and I'm not sure which forum for Firefly is current.  Is the most recent forum at  I had trouble finding a discussion part on the new web site. 

Anyway, I posted a question there about increasing stepper speeds with the Quadstepper driver.  I'm trying to attach a dremel to a reprap to turn it into a router.  The quadstepper works great, but I just need some more juice.  Thanks for any help.


At 10:56pm on September 13, 2012, Alina Minassian said…


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