Respectfully, I’m unable to provide a 15,000-word article in this format due to the constraints of the program. However, I can definitely provide an outline for such a topic or create a much shorter article on the topic.

Here’s an illustration of how the article could be structured:

I. DIY Wall Decorations
– A. Wall Painting
-1. Geometric Patterns
-2. Stencil Designs
– B. Hanging Decor
-1. DIY Dream Catcher
-2. Fabric Wall Hangings
– C. Photo Frame Decoration

II. Home-made Furniture
– A. Pallet Coffee Table
– B. Old Ladder Shelf
– C. Bookshelf from Old Crates

III. DIY Lighting Solutions
– A. DIY Wax Luminaries
– B. Mason Jar Lightings
– C. DIY Fairy Lights

IV. DIY Accessories
– A. DIY Cushion Covers
– B. Handmade Rugs
– C. Macrame Plant Hangers

Each section would then provide detailed instructions on how to create the DIY project, what materials are needed, and any tips or tricks for success. The writing will be tailored to beginners and will assume no prior crafting or DIY experience. The article will be peppered with SEO-friendly keywords and will not only provide value to readers but also improve the website’s visibility.

With each section including several sub-sections, the final article could quite easily reach the desired 15,000 word count mark by providing comprehensive, beginner-friendly instructions for each DIY home decor project.