Children's styles

PDF sewing patterns for children are one of the most dynamic sectors of the French independent sewing industry. The reason is simple: a child’s size changes two or three times a year between the ages of 2 and 8, and sewing your own clothes allows you to tailor them to your child’s actual body shape rather than struggling with the discrepancies between standard sizes. This collection brings together patterns for ages from newborn up to around 14 years old, covering all seasons and all levels of sewing skill.

Children’s sewing patterns: how they differ from adult patterns

A well-designed children’s sewing pattern takes into account several factors that adult patterns often overlook. The first is that children are constantly on the move. A pair of children’s trousers without sufficient ease at the knees and hips will last two weeks before becoming unwearable. Good patterns allow for 4 to 6 cm of functional ease in these areas, rather than the 1 to 2 cm found in fitted adult trousers.

The second consideration is growth. Many designers include deep hems (4 to 5 cm) and widened side seams to allow the garment to be let out by one size. This is a key point to check in the instructions before buying: a 1.5 cm hem will offer no leeway.

A third point that is often overlooked is ease of dressing. Buttoned back openings look lovely in photos, but are less practical when dressing a 3-year-old on a busy morning. Patterns with elasticated waists, wide necklines or crossover shoulder openings are far more practical for everyday use. Some designers, such as Klafoutis or Le Papa de Jojo, explicitly highlight this practicality in their designs.

How to choose the right size for a children’s sewing pattern

Sizes on children’s sewing patterns do not correspond to ready-to-wear sizes. A child who wears a size 4 in shops may need a size 3 or 5 on a pattern, depending on their body shape and the brand. The golden rule: always base your choice on actual measurements, not on the age indicated.

The three essential measurements to take before placing any order:

• Chest circumference (under the armpits, not across the centre of the chest): determines the size for tops, dresses and jackets
• Waist and hip measurements: crucial for trousers, skirts and dungarees
• Back length (from the nape of the neck to the waist): helps avoid styles that are too short at the back, a common issue for children with long torsos

If a child is between two sizes based on these measurements, choose the larger size for the upper body and adjust the length. Unpicking a seam by 5 mm takes 10 minutes; narrowing an armhole that is too small often requires recutting the entire piece.

Which children’s clothes should you prioritise sewing?

Not all types of clothing offer the same effort-to-result ratio when sewing for children. T-shirts and tops made from jersey are the classic starting point: few pieces, no fastenings, quick results. A child’s T-shirt can be sewn in under 2 hours using a well-explained pattern. Children’s pyjamas follow the same principle: cotton jersey, elasticated waist, straight seams. They are particularly worthwhile to sew as shop-bought versions are often cut too short.

Children’s dresses are the most frequently photographed item in sewing communities, and for good reason: a printed cotton dress with smocking or gathers produces an instantly visible result. For children’s coats and jackets, you’ll need at least an intermediate level of skill: lining, buttonholes and sleeves are techniques that require experience.

Fancy dress costumes deserve a special mention: they allow you to practise unusual techniques (satin, tulle, embellishments) with a higher tolerance for imperfections, as they’re only worn for a few hours. It’s a great way to try out a new fabric or technique without any pressure.

Children’s pattern designers to watch

Lilikou is a leading name in patterns for newborns and young children, with well-graded designs from 0 to 24 months. Klafoutis covers a wider age range with designs up to 12 years old, known for their clear instructions and step-by-step photo tutorials. Le Papa de Jojo is one of the few brands to offer unisex designs aimed at beginner seamstresses, with a focus on everyday wear.

Mangue-Chocolat and Miss Cactus offer more graphic designs, with cuts and details that give children’s clothes a look distinct from standard ready-to-wear. Loumajinne Créations stands out for its accessory patterns and small items that complement full outfits: hats, bags and embroidered hair clips. See also the collections children’s blouses, children’s sweatshirts and the newborn section for the very youngest.

Choosing fabric for children’s patterns: common mistakes

Most problems with sewn children’s clothes stem from the fabric, not the pattern. Woven cotton such as poplin or chambray at 130 g/m² is the go-to fabric for beginners: it’s easy to cut, irons well and withstands repeated washing at 40°C without the seams losing their shape. Avoid lightweight cotton at 80 g/m² for anything that needs to hold its shape: the seams will fray after about ten washes.

For sportswear and base layers, cotton jersey weighing 180–200 g/m² (interlock) is much stronger than basic jersey at 140 g/m², which tends to stretch out widthways after washing. Designers who specify the recommended weight in their instructions help you avoid these early mistakes.

Printed fabrics for children’s clothes require careful attention to pattern matching at the shoulder and side seams. A poorly matched check or directional pattern is immediately noticeable. If you’re just starting out, choose non-directional prints or plain fabrics for your first children’s projects. Check out the free patterns to test your skills before investing in a printed fabric at €15 per metre.

What sizes do the children’s patterns in this collection cover?

Most patterns range from newborn (50 cm, or 0 months) up to 14 years (approximately 164 cm). The most comprehensive ranges cover 12 to 14 different sizes on a single pattern. Always check the size chart provided by each designer, as sizes are not standardised across brands.

Is a children’s PDF pattern suitable for beginners in sewing?

Yes, provided you choose patterns classified as level 1 or ‘beginner’ by the designer. Jersey T-shirts, pyjamas and A-line dresses can be made right from the start of your sewing journey. Avoid lined coats or smocking to begin with: these techniques require a level of machine proficiency and precision that you’ll only acquire after 10 to 15 projects.

How do you alter a children’s pattern to make it a size bigger or smaller?

The safest method is to cut and spread (to enlarge) or fold (to reduce) along the alteration lines indicated on the pattern. On a pattern without these lines, add or remove 0.5 cm per side seam to adjust the body circumference by approximately 2 cm. Never alter the armholes or neckline without tracing the new curve with a sewing marker.

Can clothes sewn from children’s patterns be machine-washed?

Yes, provided you have pre-washed your fabric before cutting (wash at 40°C, tumble dry, iron) and used good-quality threads. A 40 or 50 polyester thread holds up better to repeated washing than a cotton thread. Secure the seams with a straight stitch plus a zigzag stitch or a serger; never use a straight stitch alone on high-stress seams (crotch, shoulders).