sampling container with balloon valve
grabcad
if container can be attached into robotic arm then you can use balloon valve for rotateing containerso stones dont fall out in this case .You can make many different pickups.( stones- dust-sone-stone-dust and so on) additionali you need airpump and low pressurized air in some container, because of vacum you dont need to much power for that. Aluminium part is only 29gIf you have robotic arm anyway and you connect arm and container then this is shortest way to get stone in container.
With this file you will be able to print sampling container with balloon valve with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on sampling container with balloon valve.