Watch a Makelangelo on a whiteboard

August 28th, 2015

Joshua from Brown Dog Gadgets sent in this video of a giant Makelangelo drawing their company logo. Looks like they used the “scanline” drawing style. He says it took 14 hours and they let it run overnight. Nice work, Joshua!

Makelangelo vs Polargraph

August 17th, 2015

“I was wondering if you have any knowledge of or experience with the Polargraph and could compare and contrast the capabilities, software, and usability of both your products. I’m looking to buy either one and am not sure which to go with. Thank you for your time and all the work you’re doing!” — Natan

Great question! Let’s see.
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How to control a linear actuator with an Arduino

July 28th, 2015

Proof actuator+arduino works. See latest post at

A video posted by Dan Royer (@imakerobots) on

Controlling a linear actuator is fun and easy. They’re really strong and can be used for all kinds of things: raising your TV out of a hidden pocket; crushing your enemies; or building an RC backhoe or dump truck. I did this entire project in about 20 minutes for around $150 CAD.
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Designing a new robot arm. Help!

July 16th, 2015

Here’s the post on I don’t know why I posted it there. Probably because I skipped lunch and my blood sugar is low.

I’m making a new robot arm and I don’t have enough know-how to properly attach the shoulder to the base. Can you help?

A CoreXY Makelangelo

July 8th, 2015

#First powered test looks very #successful!

A video posted by Dan Royer (@imakerobots) on

I’ve been building a CoreXY version of the Makelangelo. Just completed the first successful motorized test. More pictures and video after the break.
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Modding an i3 to support five axis printing

July 4th, 2015

five axis printing

I’d like to mod my i3 to try five axis printing. I have a Reprap i3 and a RUMBA board that support six steppers. I see in Marlin RUMBA is set up for 3 axies and 3 extruders. The axies would be X,Y,Z,U, and V. I’m wondering what is the best approach. Here are my thoughts so far.
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Makelangelo Developer Preview, June 28 2015

June 29th, 2015

Arm3 & Hexapod updates

June 19th, 2015

Arm3 June 19 2015

Arm3 and Hexapod projects are now much more friendly for first time users.

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Hexapod, Russia updates

June 17th, 2015

Updates to my oldest robot project, news about the trip in Russia, and +1 like upvoting some awesome people.

@bookvoed front window on Nevsky Prospect. It's like the #Saks5thAvenue of St Petersburg.

A photo posted by Dan Royer (@imakerobots) on

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Software, Forums, Russia

June 10th, 2015

Several projects were updated over the weekend, the forums have been tweaked, and I look forward to meeting you in Russia June 13-21.
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