1.2. Press "6" to open Particle View. Create a flow with a Birth event, Position Object, Shape Facing and Material Static.
1.3. In the Birth Event, set Emit Stop to 0, and Amount to 1000. In Position Object, select the teapot as Emitter Object. In Shape Facing, select the camera in the scene as Lookat Object, set Size to 20 and select Random orientation. In the Display event, set Type to Geometry.
1.4. Now, in your favorite paint program, use a soft brush to make a popcorn shaped blob that looks something like this. Make sure it's white on black background.
1.5. In 3ds Max, create a material with a solid white color, that uses your popcorn image as Opacity Map. Drag this to the Material Static event in the Particle View.
1.6. In the Material Editor, make sure the popcorn map is open. Click on "Bitmap", and select Mask from the Map Browser. Choose "Keep old map as sub-map" in the "Replace Map" dialog. In the new Mask material, your popcorn map is set as Map, so drag that do the Mask slot, and choose "Swap".
1.7. Click the Map slot, and choose Gradient Ramp from the Map Browser. Set Gradient Type to Radial. Right-click the left flag, choose "Edit properties" and change the color from black to white, right-click the center flag and choose "Delete", and right-click the right flag and choose "Edit properties".
1.8. Press the None slot to open the Map Browser and choose Smoke. In the Smoke Map settings, enter Size 5, and Exponent 1.
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