Other Parts Discussed in Thread: TL431, EMB1412
The LM317LCPK datasheet is missing a page with a PK package land pattern drawing (should be on page 22). I was on a ONE HOUR goose hunt to get the damned drawing. The TI Package search was useless as it provides a package drawing which I already have, but not a land pattern drawing. In the end, I had to use a land pattern drawing from a TL431 datasheet (page 61).
Please add a PK land pattern drawing to LM317LCPK datasheet and add land pattern drawings to your tool.