Is it okay to use Normans tek and evaporate all the way down not using freezer?

i've never done it that way before, but as long as your naptha has absolutely no residue leftover, i believe it should be fine.

its going to take some time for it to evap and its going to stink. its possible the dmt may come out gooey

dont have a freezer to use? i've always had nice white fluffy crystals everytime with the freeze precipitation method

Swims used a freezer with great results but he dosent have one at the moment

yes you can evaporate, but youll be left with a less pure product, probably. Be sure to wash your solvent to remove potential lye/polar impurities. If its very impure, recrystallize (instructions are in the FAQ). I also recommend after you think its all dry and done, redissolve in non-denatured alcohol or acetone and re-evaporate to help removing traces of naphtha (your crystals wont look so nice as when you recrystallize and evap slowly, but its better for your health)