Custom RACE creation guidelines?

The custom classes rules are very well developed, what about “custom RACE rules”?

or the only way is to deduce them from actual races in the PC?

only hint is the +25xp for high elves

There’s some guidance here:

http://www.autarch.co/forum/gnomish-infravision-0

thank you!!!

exactly what I was looking for

I tried to follow the guidelines for building elf 0 showing all the process

here: http://www.autarch.co/comment/19701#comment-19701