How to draft the Basic Pants Sloper


In order to draft the basic pants sloper the following measurements are needed: Waist Hip Crotch depth Full length (outer side seam, waist to hem) See measurement chart Diagram A Front A= waist D = hip C – Crotch depth F = knee B = hem A to B full length A to C crotch depth C to D =1/4 of A to C E = 1/2 C to B F to E 2” Square off from A, D, C, F and B toward left C to G = 1/4 hip G to H =1/4 C to G I = 1/2 C to H Diagram A To locate K and J square up and down from I thus establishing straight grain and crease line Square up from G to L Connect O to H Connect G to P to form a 45° angle P to O 1/3 of P to G Square H down to M H to M = inseam N = inseam on knee lineDiagram –C FRONT PANTS L to R = ¼” Connect R to O with straight line Connect O to Q to H with sleigh curve to finish center front R to S 1/4 waist S to T ¼” Connect T to K with hip curve ruler to finish waistline Connect T to C with hip curve ruler to finish front pants DIAGRAM –D BACK PANTS G = starting point for back panel (center front at crotch depth line) G to I = 3/8” 2 = 1/2 R to K Connect I to 2 with straight line and extend line upward for 4” to 5” 2 to 3 = 2 to R P to 4 = 1/2 P to G 5 = hipline Connect 3 to 5 with straight line H to 6 = H to G less ½” Connect 5 to 4 and 4 to 6 with sleigh curve ruler C to 7 = H to 6 3 to 8 = 1/4 of waist + 3/4 “for a dart 8 = extended point 1/4” above original waist, at same height as T Connect 3 to 8 with straight line Connect 8 to 7 wit shallow part of hip curve ruler 9 to 10 = ¾” toward 8 3 to 9 1/2 3 to 8 9 to 10 = ¼” toward 8 9 to 11 = 1/2 9 to 10 Square off from 11 to 12 for 3” Connect 9 to 12 Connect 10 to 12 to finish darts 13 to 14 = 6 to 7 Connect 6 to 13 Connect 7 to 14 Waist band A to B front waist measurement B = side seam B = side seam B to C = back waist measurement A to D = width of band according to your designHow to draft the Basic Pants Sloper-3 How to draft the Basic Pants Sloper-4 How to draft the Basic Pants Sloper-1 How to draft the Basic Pants Sloper-2

{Credit}Masaaki Kawashima’s
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Fundamentals of Men’s Fashion Design: A Guide to Tailored Clothes

 

 

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