Peinture Coquillage sur Pierre
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Peinture Coquillage sur Pierre

Moyen Âge 6-12 30 min Nature

Matériaux nécessaires

Guide étape par étape

1

Étape 1: Base coat and sketch the spiral

Wash and dry your rock. Paint the entire surface with cream or ivory paint. Let dry. Using a pencil, sketch the spiral of a nautilus shell — start with a small point at the center and draw an increasingly wide spiral working outward. The nautilus spiral is mathematically elegant: each chamber is larger than the previous.

2

Étape 2: Paint the spiral chambers

Paint the interior chambers of the shell in alternating warm tones: cream, peach, light pink, and tan. Each spiral section gets a different shade. The colors should flow naturally from warm peach at the center to cooler cream at the outer edge, creating a gradient across the chambers.

3

Étape 3: Add pearlescent shading

Using white paint slightly thinned with water, brush delicate highlights along the upper edge of each spiral chamber. This creates a pearlescent sheen that mimics the iridescent inner surface of real sea shells. Let it dry between the coats.

4

Étape 4: Draw the dividing lines

Using a fine brush and dark tan or light brown paint, carefully trace the dividing lines between each spiral chamber. These curved lines follow the spiral and separate the different-colored sections. They should be thin but visible, like the suture lines of a real nautilus.

5

Étape 5: Add outer shell details and seal

Paint the outer edge of the shell with a series of thin curved lines in tan and white to suggest the ridged texture of the shell exterior. Apply a gloss sealant for a beautiful pearlescent finish that mimics the real lustre of sea shells.

Étape 6: Ajouter le code RoxGeo

Écrivez ROXGEO.COM suivi d'une barre oblique et du code unique de votre pierre (ex. ROXGEO.COM/ABC123) sur le dessous ou le dos de votre pierre.

Conseils utiles

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