Sphere-O-Bot (eggbot MOD) Easter Eggs + Xmas ornaments creator

The Sphere-O-bot is an open source hardware+software project.
2020 Update: New software version. Portable Inkscape with everything already installed. More info in the assembly guide.
Originally from Evil Mad Scientist (very cool robots), we have adapted the idea to our electronics and ancillary elements. Software, designs and use is exactly the same. The frame was designed by Attila Nagy 
The list of parts to print:

1x Spring holder
1x MAIN_frame (with support)
1x Egg support [v2] for medium suction cup size*
1x Pen holder (updated March 2019 to hold more different pen sizes)
2x Axis support
1x vertical ARM
1x M3 nut Knob (replacement for the metal wingnut)

 The Electronics are OPEN SOURCE (feel free to replicate it if you want)

You can also buy everything (customizable KIT): here
How to set it up?:  Assembly guide
NEW: Create the new pyBot Robotic Arm using the Sphere-o-bot´s components and electronics
Sphere-o-bot KIT unpacking and alternative setting up video (thanks Geeksmithing!): here 
Painting Xmas ornaments: here

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What you need to create this painting robot

2x 623 bearing
1x Threaded steel rod (3mmØ,80mm length)
1x compression spring (4,5mmØ, 10 mm length)
2x 1.8deg HIGH QUALITY NEMA 17 Stepper motors (40mm length) (4.4Kg/cm torque) Motor cables (14+70 cms long)
1x SG90 servo
1x DEVIA control Board
2x A4988 Stepper motor drivers
1x Power supply 12v/2A
6mm M3 bolts
12mm M3 bolts M3 nuts
2x 20mm Suction Cups

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OTHERS:
cable wrap (optional but makes everything look prettier..)
You can also buy the Sphere-O-Bot robot KIT (motors, electronics and ancillary elements) here: http://jjrobots.com/product/sphere-o-bot/
 
NEW:  Use the same electronics to create the Pybot Robotic Arm!