 In 1867, together with Braith and his friend, Christian Mali, Kappis made a study trip to Paris where he became involved with the Barbizon School.He made a return trip through Belgium and the Moselle Valley to Düsseldorf and spent some time working with the landscape painter .From 1871 to 1874 he lived with Braith and Mali in their so-called "Swabian Castle".