Step #1
First commence the tutorial by making a rectangle.
Step #2
Draw two lines intersecting each other as shown.
Step #3
Make rounded edges two rectangles at the end of two sides.
Step #4
Make rounded edges two rectangles as shown.
Step #5
Draw curve line for the bottle's right side.
Step #6
Make curve line for the bottle's left side.
Step #7
Make bottle inside shape as shown.
Step #8
Finally, make necessary improvements to finish.
