Except for trivial stuff, I always prototype things on a breadboard before committing to a PCB, and for many parts these days there do not exist through-hole versions, or I'll happen to have an SMD part lying around but no equivalent THT. Hence these:
https://github.com/jayeye/ji/tree/master/src/kicad/breakoutsIf you find them useful, buy me a beer if we ever meet, or just give a star to the github page!
/ji