Pattern blocks · Intermediate
Trouser block sewing pattern
Dartless trouser block to create any pair of pants.
Choose your size
Each size has its own page with the full pattern, the cutting list and the measurements used.
Women's sizes (with bust)
Pattern preview
Sewing instructions
General steps to sew this garment. Seam allowance is 1 cm (3/8") unless stated otherwise.
Supplies
- Muslin for the toile
- Matching thread and the right needle
- This pattern is a block, not a finished garment. Cut it in muslin or an old sheet with no extra allowance.
- Baste the toile, try it on and mark adjustments with a pencil: ease, darts, length and shoulder slope.
- Transfer the changes to the editor (measurements or options) or to paper, and use the corrected block to design your own garments.
Cutting list
| Piece | Cut | Material |
|---|---|---|
| Back | 2× | Main fabric |
| Front | 2× | Main fabric |
Measurements needed
| Measurement | How to measure |
|---|---|
| Cross seam | From the front waist, between the legs, to the back waist. |
| Front cross seam | From the front waist to the crotch point. |
| Knee circumference | Around the knee, with the leg straight. |
| Seat circumference | Around the fullest part of the buttocks. |
| Seat back | Back part of the seat circumference, side to side. |
| Waist circumference | Around your natural waist, the narrowest part of the torso. |
| Waist back | Back part of the waist circumference, side to side. |
| Waist to floor | Along the side, from the waist to the floor, barefoot. |
| Waist to knee | Along the side, from the waist to the knee. |
| Waist to hips | Along the side, from the waist to the hip line. |
| Waist to seat | Along the side, from the waist to the fullest part of the buttocks. |
| Waist to thigh | Along the side, from the waist to the thigh line. |
FAQ
Is the trouser block pattern really free?
Yes. Every Kutopy pattern is free, with no sign-up and no watermarks. You can sew and sell what you make.
Which measurements do I need?
This pattern uses 12 body measurements. If you don't know them, pick a standard size or follow our measuring guide.
Does it include seam allowance?
Yes, it includes 1 cm (3/8") seam allowance (outer dashed line). You can remove it in the editor.
How do I print it at full scale?
In the editor pick your paper and tap "Download PDF". At home: numbered Letter or A4 pages you tape together. At a print shop or plotter: full size on one sheet, a 36" roll or large sheets. Always print at 100% and check the 10 × 5 cm test square.
