Card Spool Outer Adapter/Reuser

Having purchased several cardboard spools that I had to tear off the outers to be able to fit into Bambu reusable spools I found that sometimes I needed spools for inner rolls of filament and did not want to waste my resusable spools on them.I decided to design this adaptor so that the cardboard spool outers could be reused for this purchase instead of throwing them away.