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| Boot | Molecule | Labyrinthe |
| Dana Vrajitoru | Randy Paffenroth | Dana Vrajitoru |
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| Computer | Framed curve | One more molecule |
| Dana Vrajitoru | Randy & Dana | Julien de Siebenthal |
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| Paraboloid | Have someone to hang ? | Sinusoidal surface |
| Julien de Siebenthal | Dana Vrajitoru | Randy Paffenroth |