This is a tool to clamp fuel lines. You will need to cut thread and bend a 1/4 rod.
Extra parts list
1/4 rod
washer(6mm)
1/4 wing nut.

Note V3.2 fixed the one thin side wall and hole size issues. I still need to run a 1/4 drill bit down it to clean it out.

For large version https://www.thingiverse.com/thing:3433370

Monoprice

Select Mini

No

Doesn't Matter

.1

100

I made is in PLA and it works good for me.

Thinkercad