Slash and Spread Technique
@SeamworkVideo
@ClothingPatterns101
@CosplaySewingSchool
Step-by-Step Instructions:
The slash and spread method is a simple yet effective way to modify a sewing pattern, allowing you to add volume, change proportions, or create design details like pleats or gathers.
Materials Needed:
- Original pattern piece
- Pattern paper
- Ruler
- Pencil
- Scissors
- Tape or glue
Tips for Perfect Darts:
- Mind the Grainline. Ensure the grainline stays consistent after spreading. Mark it on your new pattern for reference.
- Use a Grid. Pattern paper with a printed grid helps align and evenly space your slashes for accurate adjustments.
- Test with a Muslin. Always create a muslin to check the fit and design changes before cutting into your final fabric.
1. Prepare Your Pattern
- Start by tracing your original pattern piece onto pattern paper. This ensures you keep the original intact while working on the adjustments.
2. Mark Slash Lines
- Identify the area where you want to add volume or make adjustments (e.g., a skirt, sleeve, or bodice).
- Draw straight lines from the edge of the pattern to the area of focus (usually toward a central point or seam). These are your “slash lines.” Space them evenly if possible.
3. Cut Along the Slash Lines
- Carefully cut along the lines, stopping just before the pattern edge to keep the pieces connected at one end, or fully separating them if preferred.
4. Spread the Pieces
- Lay your slashed pattern on a fresh piece of pattern paper. Gently spread the cut sections apart to create the desired amount of volume or length. The distance between the sections determines how much extra fabric you’re adding.
5. Secure the New Pattern Shape
- Tape or glue the spread pieces onto the new pattern paper, ensuring the pattern edges remain aligned and smooth.
6. Blend the Edges
- Use a ruler or French curve to redraw and smooth the edges of the pattern where necessary, ensuring a natural and seamless transition.
7. Add Seam Allowances
- Use a ruler or French curve to redraw and smooth the edges of the pattern where necessary, ensuring a natural and seamless transition.
8. Test the Adjusted Pattern
- Use the new pattern to create a muslin (test garment) and confirm the fit and design changes before cutting into your final fabric.
