Miếng Lấp Rãnh Nắp Thùng Packout Organizer

I didn't want to take the groove in the lid into concideration when making a custom holesaw insert. To combat this I made a filler piece to delete this gap, and get a smoother surface.

Fits well for me, and I hope it can be as useful for you!

Pictured print is printed in 3DO PETG Transparent, with 100% infill to make it more transparent; not too sure how I feel about the result, but it'll do.