Use https://www.photopea.com/

Create a new document

Web Desktop > Size > Small 1024×768

 

Use google to find 3 images of animals, clothing, food, etc. (anything you want)

Just make sure the images have organic curves.

 

Import the images to Photopea

Use the Pen tool to trace the 3 objects.

Use the Pen tool to create neat curves.

 

Use Gradient or Solid colors to fill the 3 objects.

Add stroke colors if you like.

 

Arrange your completed traced objects below your original images.

Export a PNG version of your image and Upload here