Category Archives: 3D printing

Adding filament monitors to the Hemera tools

Posted on November 2, 2020 by davidcrocker

The imminent 3.2beta release of RepRapFirmware includes support for filament monitors connected to Duet 3 expansion and tool boards. This post describes how I added filament monitors to the two Hemera tools on my E3D Tool Changer.

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Improvements to the Hemera Tools

Posted on June 6, 2020 by davidcrocker

Since building my first Hemera tool controlled by a Duet3D Tool Board, I have built a second one and made some improvements.

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Large Kossel update

Posted on May 7, 2020 by davidcrocker

My large Kossel variant has been running for several years now. It is reliable and produces good prints. I have however replaced the extruder drive and the power supply by different models, and added a filament monitor. I will now … Continue reading →

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Converting the E3D Tool Changer to Duet 3 with Hemera Tools (Part 2)

Posted on March 4, 2020 by davidcrocker

Configuring the Duet 3 The Duet 3 configuration and other system files I use are based on the ones that I published for Duet WiFi/Ethernet running RepRapFirmware 3. They are configured so that X0 Y0 is the centre of the … Continue reading →

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Converting the E3D Tool Changer to Duet 3 with Hemera Tools (Part 1)

Posted on March 2, 2020 by davidcrocker

The E3D Tool Changer is a versatile platform for multi-material 3d printing, laser cutting/engraving, and associated techniques requiring a stable XYZ motion system. Although it is also available with fewer tools or no tools, the common configuration is four 3D … Continue reading →

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Improving the Robotdigg SCARA printer

Posted on September 24, 2017 by davidcrocker

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 by davidcrocker

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 by davidcrocker

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 by davidcrocker

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 … Continue reading →

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More Delta Printer upgrades: WiFi and Silence!

Posted on June 25, 2016 by davidcrocker

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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