I need a clean, manufacturable 3D CAD model based on reference images and approximate dimensions that will be provided. Deliverables: • Source CAD file (STEP or equivalent) • STL or 3MF ready for 3D printing • Simple rendered views (top, bottom, side) • Drawing with arrows and blank dimension fields so final measurements can be added later Requirements: • Smooth surfaces and rounded edges • Open areas for drainage • Attachment points for a future fastening system • Design suitable for printing with flexible material (TPU or equivalent) Please include in your proposal: 1. Software used 2. Estimated time 3. Estimated cost 4. Relevant experience