Impossible Triangle Download Developer(s): Frank Bouldin Date: 1986 Type: Program Platform(s): TS 2068 Draws a version of a familiar optical illusion, the Penrose triangle. Content Appears On Timex Sinclair Public Domain Library Tape 2001 One of a series of library tapes. Programs on these tapes were renamed to a number series. This tape contained Related Products Related Articles Related Content Image Gallery Tags Archived Media, Downloadable, TS 2068 People Frank Bouldin
