The canvas sketch tool allows those filling out a Web Form to draw on an image uploaded by the author of the form or to draw on a blank canvas. There's a wide range of colors and line widths available for end-users to use. 

To add the canvas sketch element to your web form:

Simply drag and drop the Canvas Sketch element onto your from the Specialty Tools section. 

To upload an image to your canvas sketch element:

  1. First, follow the step above to add the element to your form. 
  2. Once you have added the element, select the gear icon to the right of the field. This will take you into the field's settings. 
  3. In the Background Image section, select to Upload File or drag and drop an image into the Drop Files Here section. If you choose to upload a file, you will be brought to a pop-up window where you can upload your image. Then, select Save

4. Then in the Live View of your form, your users will be able to draw on the image you uploaded.