I marked the uprights so I’d have some reference to fasten each level of the cat tower. Then, I assembled it in its entirety to check for fit prior to upholstery. What gets tricky is every piece gets ½” larger after upholstering. The carpet is about ¼” thick. I made up for that by cutting my boards a bit smaller (cut list is accurate), and trimming away some carpet in some locations on the uprights. You’ll see where in the next few steps.

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10 Cat tree plans with instructions and materials list - $15 from cattreeplans.com - looks good and has great customer testimonials!

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Cat Tower Plans | Free Outdoor Plans - DIY Shed, Wooden Playhouse, Bbq, Woodworking Projects

Cat Tree Plans: Build Cat Condo Furniture, Window Perch, Cat Scratching Post & More by Brian Johnson, http://www.amazon.com/dp/B00802JDPS/ref=cm_sw_r_pi_dp_G9gmsb1K2GQXY

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Build A Cat Condo With Cool Cat Tree Plans: Highrise Cat Tree Plans #rrrcattree

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