FormIt supports importing 3D geometry and raster image files.
To import a 3D model, select the Import button from the menu.
Supported files will show up in your file browser.
To import an image, select the Import button from the menu.
Select an image from your local file system
Edit the image if necessary.
Click OK to add the image.
Double-click the image to select it
Navigate to the Properties palette
From here, you can adjust the name, Layer, transparency setting, import more images, and adjust the vertical order by dragging the tiles representing other images in the sketch.