Thanks to Chris Dee <chris_w_dee@hotmail.com> for creating primative CLH6.DAT (Click Lock Hinge Single Finger for Plate Ends) available in the LDRAW_ORG Primitive UPDATE 2003-03. First time I saw this part was in bag 1 of the set 4024 - Advent (...) (21 years ago, 26-Dec-03, to lugnet.cad.dat.parts)
(...) Thank for the cortribution Mark but I posted this part to the Parts Tracker a few months ago: (URL) (21 years ago, 27-Dec-03, to lugnet.cad.dat.parts)