Hi Jeff,
The Gerber and NC Drill files are zipped together.
Block2LEDv5' (7.0x13.3mm) - 2 aspect (LED) Head
Block3LEDv3 (7.0x21.6mm) - 3 aspect (LED) Head
BlockSignal 1Basev3 (6.4x34.4mm) - Base connector for a single 3 aspect signal
BlockSignal 2Basev2 (11.4x32.4mm) - Base connector for a 3 over 3 or 3 back to back aspect signals
BlockSignal DBasev2 (11.4x18.4mm) - Base connector for a single 2 aspect signal
BlockSignal SBasev2 (11.4x30.5) - Base connector for a 3 over 2 aspect signal
Carl