Volcano

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This volcano, built for a client’s luau party, is constructed of spray foam on a wood frame. The interior is lit with PARs and red gel, and the top allows fog or haze to escape.

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This volcano, built for a client’s luau party, is constructed of spray foam on a wood frame. The interior is lit with PARs and red gel, and the top allows fog or haze to escape.

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I put together this proposal for the client with a wireframe 3D model of the volcano and a few research pictures.

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We based the sell price of this project on my material and labor cost estimate.

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The basic shape of the volcano was constructed of 1×3 pine lumber covered in a mix of 1/4″ lauan and 3/4″ plywood. Tiger Foam® was sprayed over the frame, then carved to create the volcano texture.

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After the basic volcano shape was carved, slits were cut into the body of the volcano to form “veins”, and the foam was coated with an elastomeric paint.

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The veins were backed with red gel, and PARs were used to back-light the interior of the volcano. At the top, a closed chamber housed the fog machine and another PAR, to create the glowing smoke effect.

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Here is the final volcano, with the glowing smoke and veins. Unfortunately, the client’s budget could not afford the labor necessary to develop a better method for hiding the seams between the five sections of the volcano, so they are visible.