# How do you cut a triangle in fabric?

## How do you cut a triangle in fabric?

Step-by-Step Sew Easy Instructions

1. Begin with strip cut to desired height of triangle, plus ⅞” for seam allowance.
2. Reposition strip and align 60-degree mark on ruler with cut edge.
3. Cut to make triangle.
4. Align 60-degree mark on ruler along top edge of strip.
5. Cut to make another triangle.

## What is the 30 60 90 Triangle rule?

The 30-60-90 triangle rule is for finding the the lengths of two sides when one side is given. The shorter side is opposite the 30 degree angle, the longer side is opposite the 60 degree angle, and the hypotenuse is opposite the 90 degree angle.

What size do you cut half square triangles?

Cutting Half-Square Triangles (right-handed) Cut the fabric in strips as wide as the desired finished width of the triangle-squares, plus 7/8″ for seam allowances. For example, for a 3″ finished half-square triangle, cut a 3-7/8″-wide fabric strip.

### How to accurately sew together a triangle quilt?

Make your triangle-squares larger than needed,then trim them down to size.

• Use a scant seam allowance.
• Draw the stitching lines.
• Pressing matters: Set the seam by pressing on top of the stitching lines.
• Cut off the triangular dog-ears that result when piecing triangle-squares.
• ### How to make half square triangles for quilts?

Take two squares of the same size (for example,two 5″ squares) and place them right sides together.

• Draw or mark a line from the top left corner down to the bottom right.
• Stitch a straight line ¼” away on either side of the guideline.
• Cut through both layers of fabric right on the guideline.
• How to make a triangle baby quilt?

Place one 6’’ print fabric square right sides together with a background fabric 6’’ square.

• Sew along both sides of the drawn line a scant 1/4’’ away from the drawn line.
• Cut the square piece in half diagonally along the drawn line. Trim each half square triangle to 5 1/2’’ square.
• #### How do I made a triangle quilt?

– Sew rows together. Match the points together and pin each one carefully to line up points. – When all the rows are sewn together, press the quilt well so seam allowances are flat. – Now, lay out your backing fabric and lay batting on top. – Trim backing fabric and batting so it is the same size as the quilt top – Use spray baste to stick them together.