Author Archives: davidcrocker

Improving the Robotdigg SCARA printer

Posted on September 24, 2017

In the first post in this series I described how I strengthened the bad T-frame of the printer and added adjustable levelling feet. These improvements made it possible to produce prints. The conversion to Duet electronics described in my second … Continue reading →

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Converting the Robotdigg SCARA printer to Duet electronics

Posted on August 27, 2017

In my previous post I described the Robotdigg SCARA Arm 3D printer in its original form. This post covers the conversion to Duet Ethernet electronics. It may seem odd to use top-of-the range electronics with budget mechanics, and I am … Continue reading →

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Testing the Robotdigg SCARA Arm 3D printer

Posted on August 9, 2017

A colleague spotted this Robotdigg SCARA Arm 3D Printer which sells at just US$280 + shipping and import VAT. As I was working on SCARA printer support in RepRapFirmware, this seemed an ideal low-cost platform to test it on. So we … Continue reading →

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Time to rebuild my large Kossel

Posted on March 22, 2017

It’s more than a year and a half since I published my large Kossel build blog entry.Since then I have upgraded it many times. Several people have built 3D printers based on this design, and some have asked for a … Continue reading →

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More Delta Printer upgrades: WiFi and Silence!

Posted on June 25, 2016

Some of you may already know that I have been working on a new version of the Duet 3D printer electronics. The new board is called the Duet WiFi, and it a joint venture between my own company Escher3D and Think3DPrint3D. The first … Continue reading →

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Print bed surface roundup

Posted on November 30, 2015

This time I will discuss the various print surfaces I have used and my experiences with them. Your results may differ.

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Upgraded arms for the large delta printer

Posted on November 15, 2015

My large delta printer has been working quite well since the last round of upgrades, but two issues have been bugging me. First, although spiral vase prints were excellent with perfect layer registration, some other prints showed a small misalignment … Continue reading →

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