The author's thinking is very good, the process: After getting the product picture, do not rush to deal with, first analyze the composition, and identify shortcomings, and then start to repair from the bottom, different materials need to use different highlights to render.
Original
Final effect
1, we need to remember the time to repair, you need to first observe the product material, different materials, diffuse reflection, light and light texture are different, usually do observation. Like a wooden table in front of me, it has a weak reflective light and a clear texture.
2, the use of stain brush tool to remove small black spots dot. With the Brush tool, press ALT into the eyedropper to draw the normal color of the bottle and then draw the normal color in the deep color. Finally, use the Smudge tool to transition the color of our brush painting.
3, first pull out the bottom of the glass, using the smudge tool to fuse blurred edge. Use the gray layer, transparency 70%, to build a layer of gradients. The gradient is black-white-black-white-black, as shown below. The mode chooses "soft light" or "overlay". With the black brush transparency 20%, Flow 35%, at the bottom of the dark side of the painting.
4, gradient or just the gradient, a new layer of gradient, mode "soft light." Ctrl + T, right-click to adjust the orientation of the gradient. Fit the bottle body. I added a blue stroke at the bottom.
5, this step is also, pull the figure, gradient overlay. Some of the original color is too dirty, we can draw on their own, we need to note that with a pen strokes high light.
6, this step is mainly the pen to draw metal cover path. The other is to use a brush to strengthen the light and dark intersection lines. The reflection of the bottle fits the bottom of the bottle with the deformation tool.
Finally found a flower on the internet to do shading, background color using the color of the body, so that looks more uniform.
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