To control everything I used Arduino UNO and A4988 stepper drivers. Initial idea was to use 28BYJ48 stepper motors but because of high imprecision and play on the shaft, it wasn’t as precise as I wanted to so I redesigned the whole project to get it working with popular NEMA 17. This version of eggbot (or CNC egg painter, or egg painting machine) finally works as I wanted my first version to work. That’s a great example of my journey in making stuff, looking back at where I was in 2015 and at where I am now (writing this in 2020 during the quarantine) it’s crazy to see how much I improved my skills and knowledge. But I was and still am proud of this project because at that time without fancy tools like 3D printer or laser cutter I was able to build a working machine, using DIY methods and basic hand tools. curl -L tar -xz mkdir -p /.config/inkscape cp -r eggbotextension-1.1/templates /.config/inkscape cp -r eggbotextension-1.1/extensions /. I got it working at least kind of, it wasn’t super precise and the construction was crappy. Installation Linux and OSX You have to put these two directories inside your /.config/inkscape folder. I created my first eggbot in 2015, that was one of my first Arduino based projects and at that time it was extremely challenging for me.
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