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Merchant & Mills sewing pattern Pattern : Thelma Boilersuit
Merchant & Mills sewing pattern Pattern : Thelma Boilersuit

Merchant & Mills Pattern : Thelma Boilersuit

Regular price $ 16.00 $ 0.00

A traditional workwear boilersuit with a gentler feminine fit. Thelma is a wardrobe masterpiece, loose enough to fit all shapes and can be interpreted in many different types of cloths, so make it your own.

Thelma will take time to put together, but make it well and wear it absolutely everywhere.

Skill level – experienced.

This is a multi-size paper pattern including sizes 6 – 18.

All seam allowances are 1.5cm unless stated otherwise and are included in the pattern.

Recommended Fabric – medium weight wovens such as sanded twill, 5 – 8oz denims, yard dyed linens with some stability, and cotton poplin. If you are an experienced sewer you could try tencel, tencel/linen, corduroy, more floppy linens, prints and checks.


Pattern Errata -Front leg (4) it says on the pattern piece ‘cut here for right side’ should say ‘left’. However the instructions are correct.

The tack on the under arm sleeve (at the cuff) the sizing is the wrong way round.

Fabric Requirements (with or without nap)

Size 6 & 8 Size 10 – 14 Size 6 & 18
1M (36") wide 4.25M 4.8M 4.95M
120cm (45") wide 3.5M 4.25M 4.4M
140cm (55") wide 3.15M 3.35M 3.65M
150cm (60") wide 2.8M 3.3M 3.35M

Lining Requirements

Size 6 & 8 Size 10 – 14 Size 6 & 18
110/120cm (45")
0.4M 0.45M 0.5M
140/150cm (55")
0.4M 0.4M 0.4M

Notions : 16 x 14-18mm Buttons, 2 spools matching thread, 70cm (3/4 yd) Interfacing





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