Steps/m look fine more likely to be a delta setting out somewhere
#define DELTA_DIAGONAL_ROD 271.50
#define DELTA_HEIGHT 302.85
#define DELTA_RADIUS 133.22
and what material, you do know that ABS shrinks approx 8%
#define DELTA_DIAGONAL_ROD 271.50
#define DELTA_HEIGHT 302.85
#define DELTA_RADIUS 133.22
and what material, you do know that ABS shrinks approx 8%