Canvas Storage Bag Pattern Design

I'm seeking a skilled pattern maker to create a sewing pattern for a large, box-shaped canvas storage bag. The bag should have multiple compartments inside.

Requirements:
- Box-shaped design
- Large size (e.g., laundry bag)
- Multiple internal compartments

Ideal skills and experience:
- Expertise in sewing pattern creation
- Experience with canvas materials
- Knowledge of compartmentalized bag designs

Please provide samples of previous work.