I don't have a 3d printer yet but I was thinking.
A lot of those hard to get little parts that hang out on our vacuum lines may be able to be 3d printed then epoxied or press fit together.
Now we just need to cut one open and see if can be done.
1986 F-150|Standard Cab|4x2|300Six|C6Transmission w/3.08 rear|Name:TBD
2021 Ranger XLT Super Crew