its called intaglio printing and the printers are very expensive. US currency uses it as well. Replicating intaglio without the actual printer is extremely difficult. I take it your doing the new California? You could also look into laser engravers but those are kinda pricey as well. Other than those options embossing powder is your best bet. You know that after a certain time period the real ids that have the raised feel flatten out eventually from wear....Just a thought. Goodluck