1930s Baby Romper Sewing Pattern — Butterick 3670, Size 1 — Digital PDF

Sew a rare 1930s baby romper from a genuine vintage pattern. This is a faithful reproduction of Butterick 3670, delivered as an instant digital download.

The design: a button-in-back romper with a cluster of tucks over each shoulder and a buttoned crotch. View A has a contrast collar and cuffs trimmed with blanket stitch; View B has a lace-edged collar. Sleeves come in two lengths, with belts that button in front or tie in back.

Notions needed: 1 small skein mercerized embroidery cotton for blanket stitching; 12 buttons for View A or 9 for View B.

Size (this listing is Size 1 only): Bust 20".

A note on the pattern pieces: like many 1930s patterns, the originals carried no printed writing — only the pattern letter. Basic markings (cut numbers, grain lines, etc.) have been added for you; see the sample image.

What you receive — instant digital download (ZIP):

• Print-at-home PDF for US Letter or A4 paper (16 tiled pages + instructions)
• A0 format for copy-shop or plotter printing
• Original instructions (English)
• All pattern pieces at full scale

You'll need a computer to open the files. See the listing images for a preview.