I just have this mate, from 'Heinkel He 162 "Volksjaeger",by Alfred Hiller.
Translation of attached caption:
Kauba-Fighter: The Skoda Works' (Skoda-Werken) Viennese aircraft designer Otto Kauba (left) and a co-worker present their mockup for a rationally easy to produce fighter. The idea impressed Sauer (Dipl. Ing. Otto Sauer, Speer's appointed director of fighter production) very much.