About this 3D model
V2 incorporates the wider hook. Upcycle a cardboard tube into a storage container using these 3D printed caps and an elastic. Tube Cap Grooves: 49.5mm in diameter to fit an industrial paper towel tube. TP Tube Cap: 43.3mm in diameter to fit standard toilet paper and household paper towel tubes. Extra Hook: A few people mentioned having a problem with their hooks, so this is a hook that you can glue onto a previously printed cap.