 In 1536 he founded his own printer business in which he printed only his own works, such as "Christian Losbuch", two "Anatomies", and the immensely popular, several times reprinted "Art Booklet", a type specimen book for artisans.Starting in 1538, he began lived for a while in Basel.His family in Strasbourg he would only sporadically see (as of 1542), as if he was forced, for financial reasons, to travel around all the time.