Step 1: Materials and Tools
Step 2: Measurements
Get familiar with both the idea and the measurements you will have to take. Diverse laptop models will have different webcam and led placements.
Step 3: The Tape Strips
I strongly suggest you go through the whole set of instructions before assembling this.
Step 4: The Base and the Sliding Loop Assembly
Step 5: Attaching It to Your Laptop
I made 2 of these so far and they have been working great.
Being it quite simple and inexpensive design, I'm sure you won't have any trouble fine-tuning it to your needs, even if some trial and error is to be expected.
Pardon my non-native english skills.