Hi Makers! 

I hope you're having a good day! 

Today i bring a simple yet super practical vacuum/pump ring for filament bags. Have you ever use only the bag with no helper? It's a little messy… But if you put these rings inside the bag and then use a manual or electrical vacuum/pump (like myself), these make all, and I repeat, ALL the difference. Not only is it easier to get started, but since you have a flat surface, the pump gets pressurized to the point that you don't need to push hard to hold it. It contains a center hole and side holes so it takes air from inside the bag very easily and fast. Check the photos, and that bag was sealed in about 25/30 seconds (it depends on a vacuum/pump or if it's manual or automatic). It only takes about 3 grams per ring. I personally prefer to have a ring a little bigger with better airflow to allow air to be sucked in by the pump faster. 

Once again it's a simple design, but it makes the job perfectly. 

You can try one just to check if it works, but I bet you that after you try the next step, it's going to be filling the printer bed with these and clicking "Print plate" :D 

Well, that's it for me. I hope you like it, and don't forget to keep your filament out of humidity with sealed bags! 

Cheers, everyone!