If you have a Robo R1, why not pair it with a Palette+? You can create some pretty neat projects, like the Robo R1 USB holder. It's the perfect piece to keep all your great multi-color, multi-material models!
Check out our Robo R2 USB holder here: https://cults3d.com/en/3d-model/gadget/multi-color-robo-r2-usb-holder
Printed with 2 shells