function lineDetailMarkings(sketch){
sketch.line(20 + 62, 198, 20 + 62, 202);
sketch.line(sketch.width - 20 - 62, 198, sketch.width - 20 - 62, 202);
sketch.arc(20 + 62, 200, 100, 100, -.88, .88);
sketch.arc(sketch.width - 20 - 62, 200, 100, 100, sketch.PI - 0.88, sketch.PI + 0.88);
sketch.arc(20, 20, 15, 15, 0, sketch.PI / 2);
sketch.arc(20, sketch.height - 20, 15, 15, 1.5 * sketch.PI, 0);
sketch.arc(sketch.width - 20, 20, 15, 15, sketch.PI / 2, sketch.PI);
sketch.arc(sketch.width - 20, sketch.height - 20, 15, 15, sketch.PI, 1.5 * sketch.PI);
let tenYards = 57;
sketch.line(20 + tenYards, 15, 20 + tenYards, 20);
sketch.line(sketch.width - 20 - tenYards, 15, sketch.width - 20 - tenYards, 20);
sketch.line(20 + tenYards, sketch.height - 20, 20 + tenYards, sketch.height - 20 + 5);
sketch.line(sketch.width - 20 - tenYards, sketch.height - 20, sketch.width - 20 - tenYards, sketch.height - 20 + 5);
sketch.line(15, 20 + tenYards, 20, 20 + tenYards);
sketch.line(sketch.width - 20, 20 + tenYards, sketch.width - 20 + 5, 20 + tenYards);
sketch.line(15, sketch.height - 20 - tenYards, 20, sketch.height - 20 - tenYards);
sketch.line(sketch.width - 20, sketch.height - 20 - tenYards, sketch.width - 20 + 5, sketch.height - 20 - tenYards);
}