In this tutorial I am going to show how I use a reference photo to create a realistic yet stylized illustration. There are a tons of different ways that people use reference images in their illustrations. Below I'll show you how I go about it. Let's get started!
Introduction
I needed a quick photo so I snapped one of my hand making a peace sign, it was the first thing that came to mind. I would urge you to quickly snap a photo of your own hand or something similar because my hands are not the prettiest things to looks at, haha!
Final Image Preview
Below is the final image we will be working towards. Want access to the full Vector Source files and downloadable copies of every tutorial, including this one? Join Vector Plus for just 9$ a month.
Step 1A
Open the photo file in illustrator, which is located in the Plus download "source" folder.

Step 1B
Lock the reference photo and create a new layer on top for the linework.

Step 2A
Using the Pen Tool simply start with the basic outline shape. I prefer to use a black .5pt stroke.

Step 2B
Finish the basic outline shape, be sure to go around just the silhouette, and not diving to the shape. A common mistake I make is to start going around a knuckle and ending up going around a finger, don't do that.

Step 3
Choose the Align Stroke to the Outside in the stroke palette options. I do this so that you can change the stroke weight, or even change it to a fill, if you want, and it won't affect how the interior lines match-up.

Step 4A
I have changed the line color to bright red and/or green so that it's easier to see, you don't have to do that though. Using the Direct Selection Tool (white arrow), select the point that juts between the fingers, copy (Command + C) and past the point in front (Command + F). The 2 additional points from each side of the selected anchor point will paste as well, delete those once the new points are established. This technique of selecting previously drawn points and creating a copy on top, helps to keep the linework spaced so that you don't have to deal with extra points and overlap.

Step 4B
With the new point (green) selected, add two additional anchor points, where the shading/separation of the fingers starts, and delete the two points that were copied with the initial point.

Step 5A
Next start to define the interior shapes by drawing with the Pen Tool. Draw one side of the shadow shape of the ring finger. The technique I employ is to use filled shapes as opposed to lines with strokes, which in my opinion is the best way to achieve the desired look, which has a level of realism, though stylized.

Step 5B
Notice, even though the shadow shape of the ring finger runs into another shadow I will continue to complete the finger shape. I think it makes it easier to keep the finger shapes separate, because you can simplify/combine later if needed.

Step 5C
To define the shapes of the fingers draw both sides of the shadow shape, as opposed to drawing a single line with a stoke to represent the finger. Be sure to close the shape.

Step 6A
Continue on to the next finger shape. I like to go to the spots where I deviated from the shadow shape, just to make sure I don't miss anything. This would be the thumb shadow shape. Notice that I am including any major shadow shape, but skipping any of the minor shapes, because if they are needed we can add them later. I'll take care of the fingernails later, so I'll leave those for now.

Step 6B
Complete the thumb shape, making sure the the start/end of the shape overlaps with the ring finger shape.

Step 7A
Next will be the pinky (little finger) shape, since there are spots that the shadow shaped meets the edge outline. I will again direct select the point, copy and paste it in front, and from the copied point continue drawing the pinky finger shape.

Step 7B
Finish the pinky shape. I never thought I would say that.

Step 8A
There are a few shadow/shapes that will help to define the right side of the ring finger, so draw those. Again, a shadow shape touches the outline, so I do the same process of copying a previous point in front.

Step 8B
The ring finger shape runs into the middle finger shape, so finish it up. While we're on the middle finger we might as well do the right side of it, and that should define it pretty well.

Step 9
Here is what the overall illustration should look like. I simply hid the reference photo and made the green outlined shapes black with a gray fill. Now it's time to put in the defining details that will take this to the next level.

Step 10A
If you didn't do so in the last step, change all of the previous shapes to a filled black, except the outline. Next we'll do the 2nd layer of defining details. Draw any major (useful and/or noticeable) wrinkle or folds in the skin that helps to describe the gesture of the hand. Don't pay attention to the weird callus skin or any other defects, but focus on the overall defining parts. I like to start at the wrist and work my way up.

Step 10B
Continuing up the hand, draw any additional linework that will help to describe the form of the hand. You don't need every single detail, but the more you put in, the more realistic the illustration will look.

Step 11
Select everything, except the outline shape, and change it to a filled black. Things are starting to come together.

Step 12A
Now its time to get our nails done (haha)! Draw a simple shape around the fingernails. There are so many tones/shades in the nails. I think it looks best to have them be a simple flat shape. I don't know if I need to say it again, but I will just in case someone missed it. If there are areas where the fingernail shape will touch or overlap with a previously drawn shape simply just direct select (white arrow) the point(s) you need and duplicate them. Add/Delete anchor points on the duplicated line and continue drawing.

Step 12B
Change the fingernails stroke to .5pt black.

Step 13A
A good way to see if there are any problem areas is to change the outline shape to a white fill and drop a black background shape behind everything, then hide the reference photo. The thumb looks kind of awkward, too straight or tube-like, so it could use a little more detail attention.

Step 13B
All it takes to fix any issues like this is to add a few more defining details to the thumb issue area. Change them to a filled black shape like the rest of the details.

Step 14
You could stop here, but for me the finishing touch is to add in freckles! Some people might like to draw the hair or shades of light. I have a bunch of freckles, so thats my thing. These final details will help to describe the volume of the drawing. A hint with drawing freckles is that they are all pretty much the same shape, so draw a few, then copy and move them around until they look right.

Conclusion
I often like things better just as black and white, but if color is your thing it's very simply to color this illustration. You basically have four parts; the hand outline shape, hand detail, nails and freckles. Here I just dropped a nice brown background in and choose a dark brown shade for the hand details, changing the nail shapes to a filled yellow that is a little bit more saturated than the hand outline shape. Make the freckles a bright yellow and your done!
Thats how I use a reference photo to create a realistic yet stylized illustration. The final image is below. You can view the large version here.
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User Comments
( ADD YOURS )aGS September 21st
Don’t mean to be an ass, but does anybody need a “Tut” to know how to trace a photo?…
( )Kristof September 21st
totally agree. This is basically just a walkthrough, can’t understand why the title begins with “how to…”
( )Sean Hodge September 21st
aGS – We’re adding some tutorials to help beginners get started with the basics. Working with reference imagery is a skill every new Illustrator user should master. This is a detailed tutorial on how to do that aimed at beginners. It also shows how to achieve a stylized look relatively easily, though with care and attention to detail. Thx.
J. Revuelta September 21st
Vectorization 101? Sorry if I’m mistake, but this is way too simple to appear in this site. An opinion, of course.
( )hairy baldwin September 23rd
^^^casting stones when your avatar looks like you used ms paint. please show us how to make a avatar look like malarkey. just an opinion, of course.
( )MexiChriS September 21st
very true on what you guys are saying…. but now wait a minute, where’s your guys tutorial!? since your knockin off on this one. haha, come with a backbone, ya know.
nice post either way. gave me something to read and do, to start my day off! can’t complain about that!
( )Theo Hodkin September 21st
Yeah, not a great tut – it’s easy to trace a photo, and the steps involved are pretty standard too.
( )colourdrunk September 21st
I think the final image would have looked better with less detail, it kinda looks a little scruffy but that just my 2 pence.
( )Tony September 21st
thank god this wasn’t a plus tut
( )Shane Ermitano September 21st
I don’t understand the flame war going on… Jesse’s resume speaks for itself. You could all take notes on his technique, I have. Maybe it’ll land you a Mtn Dew or Adidas gig someday.
( )Sergio Ordonez September 21st
I would say his portfolio stand out because of his creativity or originality rather than his technique.
This is because this tutorial is so basic, good for beginners though I had love he talks about the creative process behind his illustrations.
( )massafakka September 21st
mhh im sad with this one ;(
( )Jonathan September 21st
Oh man.. i tried to trace a hand once and it looked like a foot.. thank god for this tut.
actually..its always nice to see how some people work.
( )matt white September 21st
although it is basic in its own right, it does offer a kinda take in a trace and draw rudiment, its got some style to it, we all know and understand the crystal clear lines a vector can create, and this kinda opens up to a more sketched look, yes i understand thats not a complex idea, but for the creative less who use these tutorials as a program operator rather than from a “design” type thought process this has some legitamacy and usefulness.
( )buzzfuzz September 21st
there might be some new tips in this, but the outcome looks pretty ugly.
( )Melody September 21st
hahaha^^ it looked like a foot..
well..I suppose you have to start somewhere..
( )Hoku September 21st
Thanks Jesse, As a newbie with a tuts plus membership I found this tutorial both informative and useful.
( )Me September 22nd
His portfolio stands out because of its creativity AND style/technique. You need both to have such clients
( )Aliasart September 22nd
Why don’t you create a tab on top of this site for beginner and elementary tutorials and one for people who are much further with that stuff.
( )Could be hepful and much more easier to find
margaret September 22nd
this is a good idea!
( )Web 2.0 September 22nd
Well when I compare it with other vectors in this site, this could be maybe better without a reference photo, but still it is a detailed tutorial, thanks..
( )yogurt September 22nd
If its so easy, why do so many do it so badly. Its nice to see how people create their masterpieces, even if it is a simple example. I like!
( )hairy baldwin September 23rd
I’ve been using Illustrator for 12 yrs. and also teach it. I think you gave excellent instructions for how to trace an image, even though my style is different i’d like to say Kudos on how specific you were in providing your steps.
Some peoples comments on here are absurd. looking at theyre avatars looks like they need to learn how to PS.
considering some of the other tuts on here, yours shines brighter than most.
( )freedayz September 25th
Criticize it’s too much easy , I would like see anybody help beginers like vectortuts do.
sorry about my english.
( )This is not my language
Rogier September 29th
This is EXACTLY the kind of tut I was looking for. I have never used vector graphics before and want to see how it’s done. Thanks for including a basic tut for us lowly not to be bothered with newbies!
( )