Create Baloon

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3D Birthday Balloons in 3ds Max

05 Apr 2010

In this 3ds Max tutorial were going to create colorful 3d birthday balloons and render them

with Mental Ray. This is a fine example of the power of 3ds Max. With just a few standard

primitives and modifiers you can get believable results fast. I am using 3ds Max 2010 but this

should be doable with many older versions as well.

Step 1 The Basic Geometry for the 3D Balloon

Create a Sphere ( Create panel > Geometry > Standard Primitives > Sphere ) in the top viewport

. Modify the Sphere ( Make a selection > Modify panel ) according to the following parameters :

Radius: 100 Segments: 100 ( you might want to increase or decrease this later depending on your

needs )


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Step 2 Make the Sphere Look Like a Balloon

Add FFD 33x3 modifier to the sphere ( Make a selection > Modify panel > Modifier List >

Object-Space Modifiers > FFD 33x3 ) and activate the Control Points sub-object level. Select

the bottom middle control point and move it 160 units downwards like in the picture below ( it

doesnt have to be exactly 160 units ). Check both front and left views to make sure you really

select the middle control point.


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Step 3 The Knot of the 3D Balloon

Next were going to create the balloon knot. Again, we can create it fast by using just standard

primitives and a few modifiers. First create a Torus Knot ( Create panel > Geometry > Extended

Primitives > Torus Knot ) in the top viewport and apply ( Make a selection > Modify panel ) thefollowing parameters:

Base Curveo Radius: 1.3o Segments: 120o P: 3.0o Q: 1.5

Cross Sectiono

Radius: 1.2o Sides: 12

Place the knot to the base of the balloon like in picture below.

Step 4

Create Cone and Torus ( Create panel > Geometry > Standard Primitives ) in the top viewport.

Use the modify panel ( Make a selection > Modify panel ) to modify them according to the

following parameters:

Coneo Radius 1: 6.0o Radius 2: 1.0o Height: 8.5o Height Segments: 20o Cap Segments: 1o Sides: 50


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Toruso Radius 1: 6.4o Radius 2: 0.8o Segments: 50o

Sides: 40

Place the new objects according to picture below and combine them into a group ( Make a

selection > Group > Group ).

Step 5 Finalizing the Geometry of the Birthday Balloon

Add Noise modifier ( Make a selection > Modify panel > Modifier List > Object-Space Modifiers

> Noise ) to the group you just created and apply the following parameters to it:

Noiseo Scale: 60o Fractal: YESo Roughness: 0o Iterations: 6.0

Strengtho X: 10o Y: 10o Z: 4

Fix the placement of the group ( in both front and side viewports ) and your model should look

like in the picture below. Combine all objects into a group ( Make a selection > Group > Group ).

Now the geometry of the birthday balloon is complete.


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Step 6 Activate Mental Ray Renderer

Next were going to create material for the balloon and render it with Mental Ray. By default

3ds Max uses Scanline renderer so we have to change that. Change the renderer to Mental Ray( Rendering > Render Setup > Common tab > Assign Renderer > Production ).

Step 7 Arch & Design Material for the Balloon

Lets open the Material Editor ( Rendering > Material Editor ) and create the balloon material :

1. Select the whole balloon and assign material to it2. Material type: Arch & Design3. Template from the drop-down list: Translucent Plastic Film, Light4. Color: bright red (R0,9 G0,0 B0,0)5. Transparency: 0.66. Glossiness: 0.67. Glossy Samples: 32 ( If you need higher quality glossy transparency, you can increase

this. However, 32 should be enough for many purposes. )


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Step 8 First Test Render in 3ds Max

Change the background color to white ( Rendering > Environment > Common Parameters >Background > Color ) and make the first test render. The render should look like picture below.

Its nothing special, but stay tuned. Well make it shine really soon!


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Step 9 Window Reflections

Next were going to create more interesting reflections. Lets create geometry and material for

window reflections. Create four huge boxes in the top viewport with the following parameters.

Length: 2700 Width: 2800 Height: 1

Combine the boxes into a group named Window reflections ( Make a selection > Group >Group ). Assign a new standard material to the group and make the following adjustments to

the material:

Color: pure white Specular Level: 999

Your boxes should look like in picture below:


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Step 10 The Illumination

Create Skylight ( Create panel > Lights > Standard > Skylight ) with the following parameters:

Sky Color: pure whiteWhen you work with Skylight you have to turn Final Gather on. In 3ds Max 2010 Final Gather is

on by default but in older versions you have to turn it on ( Rendering > Render Setup >

Indirect Illumination > Final Gather > Enable Final Gather ).

Create Omni light ( Create panel > Lights > Standard > Omni ). Adjust the Omni light so that it

affects only the Window reflections:

1. Click Exclude button2. Select Include in the top of the new dialog3. Select Window reflections from the list4. Click the right arrow in the middle of the dialog5. Click OK

The include parameter makes the Omni light affect only the Window reflections. This way you

can adjust the intensity of the reflections by adjusting the Multiplier of the Omni light.

Rotate Window reflections 45 degrees and place the objects according to picture below.


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Step 11 Rendering a Test Image

Render a test image to see if it looks like picture below. If the reflection appears in the wrong

location, just move the Window reflections group.


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Step 12 Finalize the 3D Balloon

If you look closely you might see minor aliasing problems in the edges. To fix this, just increase

antialiasing quality by increasing sampling values ( Rendering > Render setup > Renderer >

Sampling Quality ):

Samples per pixel:o Minimum: 1o Maximum: 16

Render the image again and thats it for a single 3d balloon. Just make some color correction in

Photoshop.

Saturation +15 Brightness -20 Contrast +40

Step 13 Multiple 3D Balloons

Our transparent and reflective material really shines when multiple balloons are rendered so

lets try that. Make several copies of the balloon material by drag and drop. Just change the

name and color of the new materials. Next make many instance copies ( move while pressing

shift in keyboard ) of the balloon , apply materials, and move them around. I have 92 balloons

in my final scene.


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Step 14 Rendering 92 Birthday Balloons

Render the final image. The rendering might take some time because of the reflections, blurry

transparency, and antialiasing. I bumped up the quality settings and made a very high

resolution ( 6000 x 4500 px ) render for a stock agency and it took about a week to render it ; )


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Step 15 Making the Image Pop !

Do some color correction in Photoshop to make your image pop!

Brightness +50 Contrast +40

( your final image and color correction needs might be different )

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Create Baloon