No Leak Hose Mender

I made another hose mender and although that one does work I have some cheapo HF hose clamps which end up bending while I try to tighten down all the way. Link for my other hose mender. https://www.thingiverse.com/thing:1476241

This hose mender will fix standard garden hose with 5/8" ID. If needed larger or smaller just use a tool like Cura and re-size entire object proportionately.

Inside hole for water flow is 8mm. The primary "pipe" diameter is 12mm with large bumps at the top and b