pi_stack

//
// Units in mm
//

// Raspberry Pi
RPI_LENGTH = 88.0;
RPI_WIDTH  = 59.0;
RPI_HEIGHT = 20.0;

// M3 screws
M3_SCREW_DIA = 3.0;
M3_SCREW_LENGTH_10 = 10.0;
M3_SCREW_LENGTH_20 = 20.0;
M3_SCREW_LENGTH_30 = 30.0;
M3_SCREW_HEAD_DIA = 5.5;
M3_SCREW_HEAD_HEIGHT = 3.0;

// M3 nuts
M3_NUT_HEIGHT = 2.3;
M3_NUT_WIDTH = 5.4;

// M3 washer
M3_WASHER_DIA_IN = 3.2;
M3_WASHER_DIA_OUT = 8.7;
M3_WASHER_HEIGHT = 1.0;

// RPi 1 B hole geometry
RPI_1_HOLE_DX = 55.1;
RPI_1_HOLE_DY = 23.5;
RPI_1_HOLE_DIA = 2.75;

// RPi 3 hole geometry
RPI_3_HOLE_DX = 58.0;
RPI_3_HOLE_DY = 49.0;
RPI_3_HOLE_DIA = 2.90;