How to make fabric ball pattern
Today’s handcraft topic is “How to make fabric ball pattern".
Make pattern with CAD software.
Set up X and Y.
Circumference＝diameter×π（3.14）
10cm diameter×3.14＝31.4cm circumference
6 panels fabric ball, 31.4÷6＝5.2333…cm＝about 5.23cm (1 panel)
Y＝31.4cm circumference÷2＝15.7cm
d cm diameter, n panels, X＝3.14d÷n, Y＝3.14d÷2
Make pattern with CAD
Straight line command.
3-point arc command.
Offset command. Add a seam allowance. It’s done.
Following is the video for how-to.