Built-In Bookshelf Design

I need assistance in designing a large built-in bookshelf for my living room. I'll provide inspiration photos, and I'm an intermediate DIYer with the appropriate tools.

Deliverables:
- Build plans/blueprints
- Detailed cut list with dimensions and materials
- Step-by-step assembly instructions

Requirements:
- sturdy

Ideal Skills and Experience:
- Experience in furniture design
- Proficiency in drafting build plans and blueprints
- Strong knowledge of materials and cutting lists
- Excellent communication for step-by-step instructions