These are some old posts of my DIY projects...

http://kitten.com.my/forum/photo-ga...ratch-post.html

http://kitten.com.my/forum/photo-ga...el-cattree.html

http://kitten.com.my/forum/photo-ga...artch-post.html

The cost is not really cheap as rope cost 40 to 60 cents per feet and need 100-200 feet easily... usually make because the base is more stable & taller, the commercial ones, kitties don't get to stretch in full

Next project soon, looking for a tree trunk with branches that reach ceiling height...