I designed This splint for people who have trigger finger.
Its a real thing....

http://www.webmd.com/osteoarthritis/guide/trigger-finger

Just add...

3 Velcro cable ties and a bit of mole skin and your done.

I printed mine at the highest setting with an infill of 25%

Im currently working on the ergonomics to increase the comfort factor.

This is a work in progress.