modify stl file to 3d print

Project Description: I am looking for a skilled freelancer who can modify an STL file for 3D printing. Modifications needed: Statue of a surfer - Adding a simple polygon base, separate the surfboard from the main body creating a joint so it can be glued after print and sligtly modify the curve of the surfboard - The model is hollow, i would like it to be solid as in completely filled inside. The intended use for the 3D print is for a display model. Timeline for the project is flexible, allowing the freelancer to work at their own pace. Ideal Skills and Experience: - Proficiency in 3D modeling and designing - Experience with modifying STL files for 3D printing - Attention to detail and accuracy in making modifications - Ability to understand and interpret client requirements If you have the necessary skills and experience, please submit your proposal for this project.