The LF-1 was designed by Prof. Dr.-Ing. Hermann Winter and some of his students from the Technische Universität Braunschweig (English:Technical University of Brunswick), Lower Saxony, Germany. Winter was a former chief engineer at the Bulgarian company, DAR ("Drzhavnata Aeroplanna Rabotilnitsa" in Cyrillic "ДАР – Държавната аеропланна работилница"), where he created a line of aircraft; DAR-1, DAR-1A, DAR-2, DAR-3 Garvan, tri motor DAR-4, DAR 5 Brambar, DAR-6 and DAR-7 as well as the DAR Zdravka Vekilski and DAR Zdravka Toprakchiev gliders for the Bulgarian Army.