BY:http://www.polygonblog.com
3D Money – Million Dollars

04 Apr 2010

[You must be registered and logged in to see this image.]This 3ds Max tutorial covers the modeling and texturing of one million dollars. We’re going to create pack of 3d money, make many clones of it, and create huge pile of money with the help of reactor. I am using 3ds Max 2010 but this should be doable with many older versions as well.


Step 1 Ten Thousand Dollar Label


Create a Box ( Create panel > Geometry > Standard Primitives > Box ) in the left viewport and apply ( Make a selection > Modify panel ) the following parameters to it:

• Length: 7,9
  
• Width: 31
  
• Height: 15,3
  

Step 2 Modify the Box with Edit Poly


Add Edit Poly modifier to the box ( Make a selection > Modify panel > Modifier List > Object-Space Modifiers > Edit Poly ). Activate Polygon sub-object level and delete two polygons according to picture below.
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Step 3 Geometry for the 3D Money Itself


Create a Box ( Create panel > Geometry > Standard Primitives > Box ) in the top viewport and apply ( Make a selection > Modify panel ) the following parameters :

• Length: 30,8
  
• Width: 73,44
  
• Height: 7.7
  
• Length Segs: 10
  
• Width Segs: 24
  
• Height Segs: 8
  

( We need lots of segments to the money object to be able to deform it later )
Step 4 Align the Money with the Label


Select the box you just created and use the Align tool ( Tools > Align > Align… ) to place the box into the center of the first box like in picture below. In the Align tool, just select all axis and click ok. The center of the selected object will be placed to the center of the target object.
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Step 5 Money Textures


Now the geometry of the 3d money pack is complete and we need some textures to the surface. We need front and back sides of a hundred dollar bill and some bump maps to the sides. Fortunately there are high resolution money textures available at Wikipedia.
Step 6 Create the Bump Map in Photoshop or Click Here to Download


To make believable render we also need a bump map to the sides of the money pack. Bump map for this purpose is really easy to create in Photoshop:

1. Create a new image with 1×100 pixel dimensions.
   
2. Apply Noise filter ( Filter > Noise > Add Noise… ):
   
   
   
   • Amount: 60%
     
   • Distribution: Uniform
     
   • Monochromatic: On
     

Apply another Noise filter ( Filter > Noise > Add Noise… ):

• Amount: 75%
  
• Distribution: Uniform
  
• Monochromatic: On
  

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The bump map is ready. Save the file in png format.
Step 7 Label texture


The last texture we need is for the label surrounding the money pack. Just create something like this in Photoshop or just use my texture.
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Step 8 Texturing the Money


Now we have all the textures we need. Open Material Editor ( Rendering > Material Editor… ) and create material for the money:
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1. Select the 3d money object and click ‘Assign the material to selection’
   
2. Material Type: Multi/Sub-Object
   
3. Click ‘Set Number’ and set the number of materials to 4
   
4. Material 1
   
   
   
   • Diffuse Map: Bitmap: 100 dollar bill front texture here
     

Material 2

• Diffuse Map: Bitmap: 100 dollar bill back texture here
  

Material 3

• Bump Map: Bitmap: Bump texture here
  

Material 4

• Bump Map: Bitmap: Bump texture here
  
  
  
  • Coordinates > Angle > W: 180 ( the idea is to flip the bump map vertically so that it appears different in adjacent sides, makes sense in the next step when we apply material IDs )
    
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Notice that we aren’t t using diffuse maps in the materials number 3 and 4. Therefore the color of these materials will be gray ( the default Diffuse color ). It’s just a pure coincidence that the default gray is close enough to what we need. In fact, changing the Diffuse color of these materials might produce a tad more realistic material.
Step 9 Apply Material IDs to the 3D Money Pack


Add Edit Poly modifier to the pack of money ( Modify panel > Modifier List > Object-Space Modifiers > Edit Poly ), activate Polygon sub-object level, and apply Material IDs according to picture below. ( material IDs of top and bottom polygons should be ok by default ).
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Step 10 Activate Super Sampling and Render a Test Image


Change the background color to white ( Rendering > Environment > Common Parameters > Background > Color ) and render a test image. Pay special attention to the bump maps. They are not that pretty. A good rule of thumb is to activate SuperSampling whenever there are reflections or bump maps in use. SuperSampling is an antialiasing technique that enhances the rendering quality. So let’s turn it on:

• Rendering > Render Setup… > Renderer > Global SuperSampling
  
  
  
  • Disable all Samplers: OFF
    
  • Enable Global SuperSampler: ON, Adaptive Halton
    
  • Quality: 1,0
    
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Now render another test image to see how the bump map quality ( and rendering time ) increases.
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Step 11 Texture for the Money Label


Next we’ll create a material for the the label:

1. Select the label object and assign material to it
   
2. Click ‘Show map in viewport’
   
3. 2-Sided: ON
   
4. Diffuse Color: Bitmap: money label texture here
   

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Step 12 Adjusting UVW Mapping of the Label


Now we can see the label texture in the viewport but there are some problems. The text is squeezed and repeated on each side. Let’s fix those issues with the help of a UVW Map modifier.

• Add UVW Map modifier ( Make a selection > Modify panel > Modifier List > Object-Space Modifiers > UVW Map )
  
  
  
  • Mapping: Cylindrical
    
  • Alignment: Fit
    
  • Activate Gizmo level in UVW Map modifier and rotate the gizmo 180 degrees
    
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Step 13 Render a Money Picture


It’s time to render another test image to make sure texturing is good.
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Step 14 Increase the Realism by Deformations


At the moment the geometry of money pack looks too perfect ( common problem of many 3d renders ). Let’s deform it a little to make it more believable. Select the 3d money and add Wave modifier to it ( Make a selection > Modify panel > Modifier List > Object-Space Modifiers > Wave ). Apply the following parameters to the Wave modifier:

• Amplitude 1: 0,5
  
• Amplitude 2: 0,5
  
• Wave Length: 15,2
  
• Activate Gizmo level in the Wave modifier. Rotate and move the gizmo to get the result in picture below.
  

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Step 15 Deform the 3D Money Pack Even More


Let’s add yet another modifier to the 3d money pack. Add FFD 3×3x3 modifier to it ( Modify panel > Modifier List > Object-Space Modifiers > FFD 3×3x3 ). Activate the Control Points sub-object level in the FFD 3×3x3 modifier and move the control points in the front viewport according to the picture below.
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Render the image to see the result. The effect of FFD 3×3x3 modifier is subtle, but still important step of the process.
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Step 16 Render Digital Money


Now the $10,000 money pack is complete. Let’s make a proper render:

1. Create a big white Plane under the 3d money pack ( Create panel > Geometry > Standard Primitives > Plane )
   
2. Create a Skylight ( Create panel > Lights > Standard > Skylight )
   
3. Change the SkyColor to pure white ( Make a selection > Modify panel )
   
4. Activate Light Tracer ( Menu > Rendering > Light Tracer… ) and apply the following settings:
   

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Render the money image and this is what you get:
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Step 17 Create Million Dollars


Now we have $10,000 and next we’re going to turn it into a million dollars.

• Select the money object, add Edit Poly modifier to it, and use the ‘Attach’ function to attach the money object to the label object.
  
• Make a 99 copies of the money pack. You can clone an object by moving it while pressing shift in keyboard.
  
• Place the million dollars according to picture below. Avoid overlapping. Make sure to rotate half of the money about 180 degrees. We want to final money pile to be as random as possible.
  
• Create RBCollection ( Create panel > Helpers > Reactor > RBCollection ) and add all the money packs and the plane object to it. ( This is just a helper object that tells which objects are included in physics simulation as rigid bodies. )
  

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Step 20 Make Time for Simulation


Go to Time Configuration and increase the animation length to 300.
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Step 19 Define Physical Properties


Next step is to define some physical properties for the 3d money objects and make the simulation.

• Choose Havok 3 as reactor solver ( Utilities Panel > Reactor > About )
  
• Set Col. Tolerance to 0,05. ( Utilities Panel > Reactor > Havok 3 World )
  

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In Properties section you can define physical properties of your objects. First you select object(s) and then you define the properties. It’s like the Modify panel.

• Select the plane and turn Unyielding on (Utilities Panel > Reactor > Properties)
  
• Select all the money packs and apply the following properties (Utilities Panel > Reactor > Properties)
  

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Step 20 Calculate the Simulation and Render Million Dollars


Save your scene. Change the end time of the simulation to 300 and click ‘Create Animation’ to calculate the simulation (Utilities Panel > Reactor > Preview & Animation)! After the calculation is done there are only two things left to do:

• Choose the frame you want to render
  
• There is most probably some overlapping between objects, so fix that by moving the objects.
  
• Render the million dollars and your are done!
  

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That’s it for today! Happy rendering!]