Garment Measurements Pattern Mode Full Half Measurement Unit Centimeters (cm) Inches (in) Head Circumference (in) Neck Circumference (in) Neckline Opening (in) Ideal Neckline Opening: 24 Set to Ideal Neckline Opening Collar Width (in) Ideal Collar Width: 1.25 Set to Ideal Collar Width Neck Opening Scale Factor (%) Collar Outer Arc Length: 0 in Arc Span Angle: 0° Shoulder Slope (degrees) Ideal Arc Span: 300° Seam Allowance (in) Generate Printable PDF Save SVG Make Printable Pages Full Master Pattern Printable PDF Printable Pages