I just updated the Trixbrix Track Library for Bluebrick Update to version 1.6.3. Since 1.6.1, the following parts were added: 4 Stud S-Curve (R65 / 14,25°) 8 Stud S-Curve (R34 / 28,07°) MILS Straight Track Terminator More information of how to use the library can be found here.