A lot of DIY PnP machines look like they were designed as CNC router. Big motors, tons of aluminum etc... this seems to me like overkill. We need to pick and place only small components which weight ~ few grams. So I decided to create minimalist design based on coreXY system. This should bring me a fast speed, compact and easy construction. I have some spare linear rails from my Kossel 3D printer, so I will use them.

Nice idea is to have a 3D model before assembling:

I wasn't able to finish the model due to some issues in OpenSCAD so i started to assemble the machine only with 3D model in my head :)

And here is the results: