What do you mean by »transform image 1 to image 2 and 3«?
Are you trying to create an animation and if so what exactly do you want to have happen?
I am not sure I understand what you are talking about.
Are you familiar with the Selection Tools yet?
If you want a black or grey area with the contours of the object one could for example use the Magic Wand Tool to select the background, invert the Selection, then create a Solid Color Layer and use the painting Tools the amend the Layer Mask where necessary. (After changing the image to RGB Color from Indexed Color)
Another option would be using the Pen Tool.
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Take your first image and trace the outline with the pen tool to create a path.
I drew around your image if you want to miss the "bulges" then just draw past them.
Make sure the pen tool is set to combine shapes when you trace the outer parts and subtract front shape when you trace the inner
You should now have a path
Set the foreground colour to black and convert the path to a shape by clicking in the options bar
Set the foreground colour to the lighter (just off white) shade and create another shape in the lighter colour.
I added a white color fill layer as a background.
To make the two images just turn on the visibility of the appropriate shape in the layers panel
You can find more on the pen tool here: