How To Make Easy Cat Scratching Post With PVC Pipes, Rope And Hot Glue

So my fluffy destroyed old cat tree and insisted for new one. About 20eur and some hours off from sunday and she got new cat tree. I had thought about buying a cat tree, but around 20 eur there was nothing good to choose from. Since I like to do everything myself, I bought the materials and made it myself.
Material list:
1x D110-1000mm sewer pipe
1x D110-250mm sewer pipe
1x D110/110 sewer pipe triangle
3x D110 sewer pipe cups
1x D110 sewer pipe 90 angle
1x D110/110 sewer pipe coupler
1x 6mm x 60m rope (around pipe is about 36cm so if you want make 1m scratch post you need 100cm/0,6cm= 166.7 x 36cm= ~6000cm = 60m of rope
1x 30x30x1.2 cm plywood for first step
1x 40x40x1.2 cm plywood for cat bed +4x 39x4x1,2 cm plywood for bed walls +1x 40x40x2 foam cushion + 1m artificial fur fabric
1x 35x35x2.6 cm plywood for base
some screws and glue sticks