Embroidery i2 is commercial software. There is no official "free" version, though some distributors may offer limited demos.
If the high cost of Embroidery i2 is prohibitive, several alternatives offer varying degrees of vector-to-embroidery functionality: Introducing Embroidery i2 for Adobe® Illustrator® - Issuu Embroidery I2 Plugin For Adobe Illustrator Free
: Offers a 3D rendering of the design to visualize how it will look when sewn. Garment Recipes Embroidery i2 is commercial software
