[header] How to make a cat scratching post [title] Cut or buy the base wood. [step] Use plywood, particle board, or mdf to create a base for the scratching post. Buy a piece that's 2 ft by 4 ft by ½ in (. 61 m by 1.2 m by 1.27 cm) or cut it to the correct measurements using a table saw. 
Exercise caution when cutting to ensure no one gets hurt. [substeps] Try to pick a natural, non-treated wood.