Sloper Studio: Sewing Patterns

Fernhart Labs

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About this app

Sloper Studio 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.