Creating custom 3D characters can be a valuable skill for various industries and purposes. Here are some desirables that might make your customized 3D characters highly sought after:

Versatility: Characters that can be adapted for different contexts, such as games, animations, virtual reality, augmented reality, and more, would be highly desirable. A character that can fit into multiple scenarios can save time and effort for those using them.

High-Quality Textures and Details: Characters with intricate textures, realistic details, and attention to lighting and shading can greatly enhance their visual appeal. High-quality visuals are essential for immersive experiences.

Customizability: Offering a wide range of customization options, such as different outfits, accessories, facial expressions, and body morphs, can provide users with the ability to tailor the character to their specific needs.

Diverse Styles: Having the ability to create characters in various artistic styles can cater to different aesthetic preferences, allowing your work to appeal to a broader audience.

Emotional Range: Characters that can convey a wide range of emotions through facial expressions and body language can be particularly useful for storytelling and interactive experiences

Realism and Fantasy: Creating characters that span the spectrum from highly realistic humans to fantastical creatures opens up opportunities for a wide array of projects, from simulations to fantasy worlds.

Compatibility: Making sure your characters are compatible with popular 3D software and game engines can streamline the integration process for your clients.

Documentation and Support: Providing clear documentation on how to use and customize your characters, along with responsive customer support, can enhance the overall user experience.

Portfolio Variety: Demonstrating a portfolio that showcases your ability to create characters for different genres and industries can attract a diverse range of clients.

Collaboration Skills: Being open to feedback and collaboration with clients or teams can lead to characters that align more closely with the intended vision of a project.

Timely Delivery: Meeting deadlines and delivering on time is crucial in professional environments. Consistently delivering quality work punctually can help you build a solid reputation.

Innovation: Staying updated with the latest trends and techniques in 3D character design can set you apart as an innovative creator.

Legal Considerations: Ensuring that your characters do not infringe on copyrighted material and providing appropriate licensing options can make your work more appealing to potential buyers.