This master class shows how to sew a dress for a baby girl under one year: draft the bodice from a child’s T-shirt, draft the collar and sleeve, cut the main and lining pieces, sew the collar, assemble the lined bodice, finish the sleeves with a contrast bias strip, attach a gathered skirt to the bodice, insert a back zipper, hem the bottom, and sew on buttons.
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Translated
Things you will learn
For baby clothing, soft hypoallergenic fabric, a comfortable cut, and practicality matter most.
The bodice pattern can be drafted from a child’s T-shirt, then the armholes and neckline are adjusted.
The dress has a separate bodice; its side seam length ends slightly below the start of the armholes.
The collar is made from four mirrored pieces, and the lower edge can be shaped into scallops.
The bodice is lined, which makes the neckline neat on the inside.
The skirt is cut wider than the lower edge of the bodice and gathered or pleated as desired.
Comfortable baby dress
The result is a dressy but practical baby dress with a soft lined bodice, decorative collar, trimmed sleeves, gathered skirt, and back closure.
Materials and tools
Materials
Main fabric, 1–2 m, The amount depends on fabric width.
Contrast fabric for trim, For the collar, sleeve binding, and decorative details.
Bodice lining fabric, Used to finish the bodice and neckline neatly.
Buttons or snaps, For decoration or closure, depending on your chosen version.
Zipper, 1 pc., Inserted at the back at the end.
Thread, Match the main and contrast fabrics.
Tools
Child’s T-shirt, Used as the base for drafting the bodice pattern.
Pattern paper, For drafting the front, back, collar, and sleeve pieces.
Thread spool, Can be used as a template for scallops on the collar.
Scissors, Regular scissors and, if available, pinking shears for trimming seam allowances.
Pins, For holding patterns and pieces before stitching.
Sewing machine, For the main seams and topstitching.
Serger or zigzag stitch, For finishing raw edges if you do not have a serger.
Iron, For pressing seam allowances, the collar, and the bodice.
Preparation
Choose the fabric
For baby clothing, choose soft hypoallergenic fabric that does not restrict movement and can handle washing.
Choose a T-shirt that fits
The T-shirt is used to draft the bodice pattern. Pick one that fits the child well.
Drafting the bodice, collar, and sleeve
The pattern is based on an existing child’s T-shirt, while decorative pieces are drafted on paper.
Draft the bodice from a T-shirt
Trace the T-shirt to create the front and back bodice patterns. The dress has a separate bodice, so make its side seam length slightly below the start of the armholes.
Check the lines
Adjust the armhole lines, front neckline, and back neckline if needed.
Draft the collar
Place the front and back patterns on paper, matching the shoulder lines. Trace the neckline and center lines, then draw the collar width. The lower edge can be scalloped using a thread spool as a template.
Draft the sleeve
Extend the shoulder line to the desired length and trace the armhole to draft the sleeve.
Collar and lined bodice
The collar is sewn separately first, then enclosed between the main bodice and the lining.
Cut the collar
Cut four mirrored collar pieces. A convenient way is to fold the fabric in four, pin the pattern, mark, and cut the pieces with seam allowances.
Sew and turn the collar
Place collar pieces in pairs right sides together, pin, and sew the outer edge 5 mm from the edge. Trim the allowances with pinking shears, turn the pieces, shape the scallops, and press.
Cut the bodice pieces
Cut one front bodice and two back bodice pieces from the main fabric, and the same pieces from lining fabric. Add allowances along the center back edges for the closure.
Baste the collar
Sew the needed bodice seams from the main and lining fabrics and press the allowances. Place the collar on the right side of the main bodice and pin it.
Check the collar placement
At the front, the collar halves should meet at the neckline without a gap; at the back, they should stop short of the edges by the seam allowance.
Attach the collar and lining
Stitch the collar in place. Then place the lining bodice right side down over the main bodice and sew around the neckline.
Sleeves and side seams
The lower sleeve edge is finished with a contrast bias strip.
Prepare the trim strip
Cut a bias strip from the contrast fabric equal to the lower sleeve edge length. The strip is 30 mm wide. Fold both long edges toward the center and press.
Finish the sleeve edge
Open the binding, pin its right side to the right side of the sleeve edge, and stitch along the edge. Then wrap the sleeve edge with the binding and stitch in the attachment seam, catching the folded edge.
Set in the sleeves
Pin the sleeves to the bodice and stitch them in. Use a serger, or sew a regular seam and finish the edge with zigzag afterward.
Sew sleeve and side seams
Pin and sew the sleeve seams and bodice side seams. Finish the lower edge of the bodice with a serger.
Skirt, closure, and finishing
The skirt is cut wider than the bodice, then arranged into pleats and attached to the top.
Cut the skirt
Cut a strip of main fabric 33 cm long. Its width should be twice the lower edge of the bodice. If the lower bodice edge is 50 cm, prepare a 1 m wide strip.
Arrange the pleats
Pin the pleats along the upper skirt edge. Their number, placement, and depth are up to you. After distributing the pleats, trim any excess fabric if needed.
Attach the skirt to the bodice
Sew the skirt to the bodice and finish the seam allowances.
Insert the closure and hem the bottom
Insert the zipper at the back. Hem the lower edge first with a 5 mm fold and stitch, then fold another 15 mm and stitch again.
Sew on the buttons
Sew buttons to the front bodice and check the finished dress.
Finish and variations
Finish
Final check
Check the neckline softness, collar neatness, sleeve comfort, even skirt pleats, back closure, and hem quality.
Variations
Different collar edge
The lower collar edge can be kept smooth or shaped into scallops as in the tutorial.
Different sleeve trim
The contrast binding can be replaced with self-fabric binding for a calmer dress.
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