Venetian blind with orientable slats , comprising: a first and advantageously a second longitudinal guide each having a longitudinal axis , the axes of the two longitudinal guides being parallel to each other; a first stack of orientable slats having a rotation axis situated in a first plane , a first end of these slats being guided by the first guide ; a second stack of orientable slats having a rotation axis situated in a second plane incident to the first plane , advantageously a first end of these slats being guided by the second guide ; a plurality of angle connectors , each angle connector comprising: a first fixation means rotably holding a second end of a slat of the first stack by its rotation axis ; and a second fixation means rotably holding a second end of a slat of the second stack by its rotation axis. . wherein: the first and second fixation means operate between said second ends to form a ball-joint connection; or at least one of said angle connectors comprises a body , the first and second fixation means of said at least one said angle connectors being mechanically linked to the body by means of a pivoting link or sliding pivot; characterised in that the rotation axes of the first and second fixation means form an angle with an amplitude in an interval between 45° to 135°, preferably an angle of 90° +/- 5°. a first and advantageously a second longitudinal guide each having a longitudinal axis , the axes of the two longitudinal guides being parallel to each other; a first stack of orientable slats having a rotation axis situated in a first plane , a first end of these slats being guided by the first guide ; a second stack of orientable slats having a rotation axis situated in a second plane incident to the first plane , advantageously a first end of these slats being guided by the second guide ; a plurality of angle connectors , each angle connector comprising: a first fixation means rotably holding a second end of a slat of the first stack by its rotation axis ; and a second fixation means rotably holding a second end of a slat of the second stack by its rotation axis. . wherein: the first and second fixation means operate between said second ends to form a ball-joint connection; or at least one of said angle connectors comprises a body , the first and second fixation means of said at least one said angle connectors being mechanically linked to the body by means of a pivoting link or sliding pivot; characterised in that the rotation axes of the first and second fixation means form an angle with an amplitude in an interval between 45° to 135°, preferably an angle of 90° +/- 5°. a first fixation means rotably holding a second end of a slat of the first stack by its rotation axis ; and a second fixation means rotably holding a second end of a slat of the second stack by its rotation axis. . the first and second fixation means operate between said second ends to form a ball-joint connection; or at least one of said angle connectors comprises a body , the first and second fixation means of said at least one said angle connectors being mechanically linked to the body by means of a pivoting link or sliding pivot; characterised in that the rotation axes of the first and second fixation means form an angle with an amplitude in an interval between 45° to 135°, preferably an angle of 90° +/- 5°. <EOS>