This is a fast and effective method to create an image of a cocktail, inspired by images such as this artwork.
Start off by creating a simple straight line path. Set the Fill to NONE and the Stroke to C = 0, M = 0, Y = 0 and K = 20.
Use the pen tool to create a single path that outlines only one side of the Martini Glass shape.Outline Path
Note: The stem of the glass works best if its in-line with the start of the path (as illustrated). It will allow you later to have more control of the Glass Stem thickness.
Set the stroke width to 4pt and select the Rounded Cap option for the stroke in the Stroke Panel.
Next duplicate the Path by holding down ALT as you drag the Path to a new location. This Path will be used to create the liquid inside the glass.Duplicated Path
Select the Scissors Tool and use it to cut the Path approximately 1/3 of the way down from the top, and also at the joint of the stem.
Re-awaken the path with the Pen tool by clicking on the Anchor point at the top of the Path, then continue the path across the top, to make the surface of the liquid.Cut, Add to the path and re-colour
Change the colour of the stroke to a bright yellow/lime, again no fill is required. Keep this path for later.
Re-select the Glass Path and use the menu option: Filter > 3D > Revolve to create a 3D glass shape. Depending on which direction you drew the Glass edge, you may need to change the Offset option to: from – Right Edge.3D Revolve
The Offset value will allow you to add thickness to the Glass stem and adjust it as required.
Open the “More Options” window, where adding more Light sources will create a more reflective glass like surface. Here I have added 3 more lights.Lights Added
The light settings are also important. Try reducing the Ambient Light (a soft, general light that lifts the whole image) and increasing the Highlight Intensity. What you are trying to achieve with this is to make the Glass shine as best you can.
The number of Blend Steps will need to be increased to de-crease the Gradient Steps created by the lighting effect. I have pushed mine up to 60. Click OK once done.Adjust the light settings
Next Expand the 3D Glass by choosing Object > Expand Appearance. This creates a number of Paths inside the Glass.
Using the Direct Selection tool, select some of the narrower paths in the glass and fill them with white. This will add some high contrast reflections in the glass.Try to create accurate lighting effects
Now return to the second, liquid path. Rather than re-create the 3D settings, simply choose Effect > Apply Revolve. This will repeat the same settings as those used on the glass, ensuring angles etc are the same.Liquid Gold
Note: There will be a tiny dimple in your liquid. This is due to he offset option in the filter. Use the Appearance panel to re-open the applied filter and change the offset value to: 0. Click OK.
Move the Liquid cone shape over to the glass and position it so it appears to be inside the glass.Use the cursor keys to fine tune positions
Finally change the Blend mode of the Liquid in the Glass to Multiply (other blend modes might work better, depending on the colour of the liquid, try experimenting).Finished Image
Ta da! One cocktail ready to go, Shaken but not Stirred!