rigid.ink spool insert for M8 spool holder

Hey all,
I designed this to keep my rigid.ink spools central on my Hictop M8 spool holder. It printed awesome and works really well. I designed this part to reduce the amount of filament material needed while keeping all the desired strength. It should be fine to print at 30% density and takes around 48 grams of filament to produce. Hope you guys like it. Also you do not need support material to assist with this model however it is recommended to reduce printing speed when starting to form the