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A large heart-shaped warm-cream negative-space form with three short threadlike extensions sits inside a broad, irregular rainbow marker patch on textured…

Fern in Rainbow Negative Space

A cream, asymmetrical fern gametophyte silhouette sits within broad rainbow marker strokes on the left of a warm paper background.

Small 640×400, Medium 1200×750

Original size1536 × 960
ShapeLandscape
LicenceFree, commercial use
KindIllustration
Prompt

Finished hand-drawn marker editorial illustration, landscape 8:5. One fern gametophyte, a flat heart-shaped prothallus rather than a leafy fern, appears as untouched warm-cream paper inside a broad irregular rainbow marker patch on the left three-fifths of the frame. Exaggerate its squat width, deep upper notch and two swollen unequal lobes; taper the base into three short, simple rhizoid threads, also reserved as negative space. Keep the silhouette bold and readable at thumbnail size. Surround it with broad adjoining strokes of saturated red, orange, yellow, green, blue and violet, with slight marker overlaps and softly feathered outer edges. Mostly flat colour, minimal paper texture, no shading or intricate detail. Leave the right side quiet and empty. Playful botanical artwork, not a scientific diagram or teaching card. No people, text, logos or watermarks.