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Author Archives: davidcrocker
Testing the Robotdigg SCARA Arm 3D printer
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
Time to rebuild my large Kossel
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
More Delta Printer upgrades: WiFi and Silence!
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
Print bed surface roundup
This time I will discuss the various print surfaces I have used and my experiences with them. Your results may differ.
Upgraded arms for the large delta printer
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
More upgrades to the large Delta 3D printer
In this post I describe three further upgrades: 24V power, moving the electronics under the bed, and the Robotdigg aluminium effector.
Upgrading the large delta printer
In my previous entry I described my large Kossel-derivative delta printer. Since building it, I have upgraded it in a number of ways, which I will now describe.
Building a large delta 3D printer
In this entry I describe how I built a largish delta printer based on the Kossel design. It started up as an upgrade to the Mini Kossel that I describe in earlier posts, but now there is very little of … Continue reading
Upgrading the Mini Kossel to Duet Electronics Part 4: the Z probe
In earlier posts in this series, I described how to install and connect Duet electronics on a Mini Kossel, how to install and configure the firmware, and how to calibrate the printer. In this post I cover using a Z … Continue reading
Upgrading the Mini Kossel to Duet Electronics Part 3: Calibration
In the third part of this mini-series, I will cover final commissioning of the Mini Kossel with Duet electronics.