STL File Shape Modification

I need an experienced 3D modeler to edit an STL file for me. The modifications will involve altering the shape of the model and adding specific holes or cutouts. Key requirements: - Modify the shape of the model - Adding holes or cutouts at specific parts or sections Ideal candidates should have: - Proficiency in 3D modeling software - Previous experience editing STL files - Attention to detail to ensure precise placement of features.