Designing a Large Pellet Extruder 3D Printer - What features should it have?

Hello,I am designing a large pellet extruder 3D printer, videos below: Rainbow Chair: https://www.youtube.com/watch?v=3vywu_d8yKMSign from recycled PP: https://www.youtube.com/watch?v=DOxf7a5J_-QSledding with 3D printed sled: https://www.youtube.com/watch?v=kzwQMwUJrVUI'd like to get your feedback before making the next version.What features would you like to see in a machine like this? Perhaps you could list your top 3, starting with 1 as the most important?Do you know anyone who could use a machine like this? Who would benefit from this the most?Best Regards,Sam