1. Character Description: A Renaissance-era catgirl, implying a blend of human and feline features. She might have pointed ears, a tail, perhaps slightly elongated canines, and possibly paw-like hands or feet, depending on the level of anthropomorphism. Her clothing would reflect Renaissance fashion – perhaps a richly colored gown or doublet, possibly with a ruff or other period-accurate details. Consider her personality – is she regal, mischievous, scholarly, or something else? This will inform her expression and pose.

2. Style Preferences: A cartoon style is specified, but within that, there's room for variation. Consider options like:

   • Classic Cartoon: Think Disney or Warner Bros. – exaggerated features, simple shapes, bright colors.
   • Modern Cartoon: A more contemporary style, potentially with softer lines and shading, perhaps influenced by anime or manga.
   • Stylized Cartoon: A unique style that blends elements of Renaissance art with cartoon conventions. This could involve more detailed clothing and textures, but still maintaining a cartoonish aesthetic.

3. Pose Details: A full turnaround requires multiple views. The minimum should include:

   • Front View: A straight-on view showing the character's full design.
   • Side View (Left and Right): Showing the character's profile from both sides.
   • Back View: Showing the back of the character and the details of their clothing.
   • Three-Quarter Views (Left and Right): Views showing the character at a 45-degree angle.

   Consider adding additional poses to showcase specific features or personality traits. For example, a pose holding a quill and scroll would emphasize a scholarly aspect.

4. Color Scheme: Renaissance-inspired palettes often feature rich jewel tones – deep reds, blues, greens, golds, and purples. Consider using a muted palette for a more realistic Renaissance feel, or brighter, more saturated colors for a more cartoonish approach. The catgirl's fur could be a contrasting color to her clothing, or a complementary shade.

5. Additional Elements: Consider adding elements to enhance the Renaissance theme:

   • Clothing Details: Elaborate embroidery, lace, jewels, or a specific type of fabric (velvet, silk, etc.).
   • Accessories: A jeweled collar, a quill and inkwell, a small book, a lute, or other period-appropriate items.
   • Background Elements: A simple background could be a plain color, or a more detailed background could include elements of a Renaissance setting – a castle, a garden, or a study.

This detailed description provides a solid foundation for generating a Renaissance furry catgirl character turnaround using a cartoon style. Remember to iterate and refine the design based on the initial generated output.