AutoCAD 2D to 3D Conversion

I need my entire AutoCAD 2D design converted to 3D using AutoCAD 3D. The primary purpose of this conversion is visualization.

Requirements:
- Proficiency in AutoCAD 3D
- Experience with 2D to 3D conversion
- Attention to detail for accurate representation

Ideal Skills:
- Strong background in architectural or engineering design
- Previous projects showcasing similar work
- Ability to deliver high-quality 3D models for visualization purposes

Please provide samples of your previous work and an estimated timeline for completion.