Building a Cozy Cat Perch and Scratching Post - A Relaxing DIY Project

Hi, friends. This is part 2 of my DiY cat house and cat perch and scratching post project. Don’t forget to watch part 1: This DIY Cat House has Special Features Not Found Anywhere - So Simple, You Should Do It Too!
• This DIY Cat House has...
If you want to know how much rope to buy to wrap a cylinder, let me provide you with the general equation for calculating the length of rope needed to wrap around a cylinder with a specified diameter, height, and rope rise per wrap.
Let D be the diameter of the cylinder, H be the height of the cylinder, and R be the rope rise per wrap (i.e., the height that each wrap of rope rises above the previous wrap). The effective diameter of the cylinder after n wraps can be calculated as:
Dn = D + 2nR
Note that we are multiplying the rope rise per wrap by 2, since each wrap of rope covers both the top and bottom of the rope.
The number of wraps needed to reach the top of the cylinder can be calculated as:
n = H / R
The total length of rope needed can be calculated as the length of one wrap times the number of wraps:
L = (πDn + R) × n
where π is the constant value of approximately 3.14159.
Therefore, the general equation for calculating the length of rope needed to wrap around a cylinder with a specified diameter, height, and rope rise per wrap is:
L = (π(D + 2nR) + R) × (H / R)
I hope this helps!