Sloper: Sewing Pattern Maker

Sloper Studio is a sewing pattern maker and pattern drafting app. It drafts sewing patterns to your own measurements: a fitted bodice and sleeve, straight and A-line skirts, circle skirts, trousers and a knit T-shirt. Every pattern checks its own seams before you cut, and prints at true size on home paper, at a copy shop or through a projector. Every block, size and print option is free. DRAFTED TO YOUR BODY - Bodice with bust and waist darts, after Winifred Aldrich's close-fitting block, and a set-in sleeve drafted to its armhole - Straight skirt with optional A-line flare; quarter, half or full circle skirts in as many panels as your fabric needs - Straight-leg trousers, slim, straight or wide, cropped or full length; give your crotch length and the back crotch is fitted to it - Dartless knit T-shirt with a neckband sized for stretch - Close, standard or relaxed fit, with every ease editable; move the bust dart to the side seam MEASURE ONCE - Keep the measurements of everyone you sew for, in inches (to the ⅛") or centimetres - A figure shows where the tape goes for each measurement, one step at a time - Problems are named, never a mystery: "back width is 49% of the bust; it is usually 34–44%" - Start from a standard size and replace the numbers as you measure EVERY PATTERN CHECKS ITSELF - Seams that sew together are the same length, darts are true, curves meet square at the joins - Bust, waist and hip ease measured on the actual pieces - Sleeve cap ease within its range, notches matching bodice and sleeve - Finished measurements next to your body measurements PRINT, PROJECT, CUT - Tiled PDF for US Letter or A4, with a 1" and 5 cm test square on every page, overlap guides and an assembly map - A0 PDF for a copy shop - Projector mode: bright lines on black, calibrated once, mirrored for the second of a pair - Seam allowance on or off, notches, grainlines, "place on fold" and labels on every piece - Cutting layout on 45" or 60" fabric with the yardage to buy - Sewing order as a checklist, and notes for each project YOURS, OFFLINE - No account: your measurements stay on your phone - Back up everything to one file and restore it on a new phone - Optional one-time purchase removes ads; no subscription, nothing locked A draft is a starting point, not a guarantee of fit: sew a test garment (a toile) before your good fabric. Made by Fernhart Labs.