GEARED Egg bot

by zMath, published

GEARED Egg bot by zMath Feb 23, 2016

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This is a geared version of an egg bot.
The gear allows for better resolution on the y-axis.
This project uses NEMA 14 instead of NEMA 17 stepper motors.

Running system with a Melzi Reprap board I had left over using a modifed merlin firmware.
Using a modified unicorn inkscape plugin.

Note: Several Parts require you to pause during printing and drop in a nut (M4 or 5/16)


  • Added new Gear Y Plate. Stronger Design less flex.
  • Added Thumb Nuts.

For those that want to use a reprap style board such as the Melzi board see the following locations for help with the software.

firmware for the board https://github.com/aziobro/Marlin-for-Huxley-MarlinFirmware-
Modified version of the marker-bot unicorn inkscape plugin. https://github.com/aziobro/inkscape-unicorn

Video in Action on a golf ball. https://www.youtube.com/watch?v=H1hxpNOu-wU

Print Settings


Wanhao I3










Parts printed with 10% infill.
The back plate gear mount was printed with 20% infill.

The Egg mounts were printed with Nija Flex.
Gears printed in PLA.
Mounts printed in ABS.

How I Designed This

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