I just posted a update about my 3d printed, 6-axis robot arm project:
What is the program where you designed this arm?
@1111122 Autodesk Inventor 2016
@Andreas_Holldorfer wow, I thought it’s just amother CAD program like autocad. Seems like I need to learn how to use it.
ok, lot of questions:
Where do you buy your large bearings?
Why do you not use gears instead of belts?
Which encoders do you use?
Pro Tip: Kuka calculates also the flex of the material to get a precise positioning.
@1111122
Inventor and AutoCAD are from Autodesk ^^
The thing with Inventor is, tht your assemblies can quickly used for digital prototyping. Love it.
@Lukas_Merz ebay and aliespress like the most i use. Well I don’t like gears and I had a lot of length so belts are a good way to go and cheap. Also it’s easier to get less play.
I have much bigger problems than the flex of the material. But if you like your’re welcome to wirte the software for that 
@Andreas_Holldorfer I’m way to far from “Software Developer” ^^
It is interesting.
Hello Andreas:
Can you tell me where I can find a robot like you have? My specialty is PLC and HMI programming and would like to control a robot like you have. Would you know tell me how can I control this robot? I can control the robot with digital outputs from my PLC for 6-axis movement? Or how you have to control the robot? Informases I’d appreciate it. Thank you. You can contact me at proyectos@tecnoplc.com
@tecnoplc_com Well my software is currently in a very early stage. I address this in the next video. Currently I use a PC to do all the heavy computing so best way is to use a small PC like a Intel Nuc and connect this to the PLC.
There are not many Robots in this size and under 10k for sale. One of the reason I started buidling my own.
OK Andreas. Thank you for the information. I am interested in Robots and how to control by PLC and HMI SCADA because this is my speciality, but I have never worked with robots and that is the purpose of my question… It is so much expensive for me to buy a robot… but I have watched sometimes Little robots with casual axel motors to test movements… But I do not find any cheap robot… maybe a robot toy… but I do not know exactly where to find it.
Thanks for the information Andreas and if you need some help about programming do not hesitate to contact me, or my website… Thanks a lot.
Watched the video with my daughter this morning, every time you release a new one it looks more and more professional! I agree we need to find a better way to handle the base rotation bearing. On my arm currently I am using IKEA cutting boards (Delrin) as a sliding surface (the steel slides on it quite well). but obviously has a bit of play. I will post up a video when it is assembled.
+Lukas Merz, in fact belts also have another advantage - they get rid of backlash.