This tutorial uses the Sartor System to draft a basic pant block. With this system, all measurements are calculated as a proportion of the cape length. The pant block can be drafted for any gender and is particularly helpful for creating period silhouettes. Written step-by-step instructions & auto-calculated measurements available here: Schedule a private tutoring session in CLO: Cape Length (CL): _______” Height − 9 Correction Ratio (CR): _______” CL ÷ 63 Standard Chest (StC): _______” .635 × CL Standard Hip (StHp): _______” StC + CR Hip Deviation (HpD): _______” Hip − StHp Back Waist Length (BWL): _______” (2 × CL ÷ 7) + (CR ÷ 2) Outseam (OS): _______” CL − BWL Crotch Depth (CD): _______” BWL − ( × CR) + (.25 × HpD) Inseam (IS): _______” OS − CD Knee Height (KH): _______” (IS ÷ 2) + 2 1/4 Hip Circumference (QHp): _______” Hip ÷ 4 Front Crotch Extension (FCE): _______” Hip ÷ 16 Back Crotch Extension (BCE): _______” (Hip ÷ 8) + 1 Back Rise Extension (BRE): _______” ([QHp + FCE] ÷ 2 − [FCE + .25]) ÷ 2 1/4 Waist Circumference (QW): _______” Waist ÷ 4 Dart Width (DW): _______” ([Hip - Waist] ÷ 8) + .5 Dart Length (DL): _______” CD ÷ 3 Back Waist Width (BWW): _______” QW + DW