Cat scratch brush for corners. Fill it with catnip. Brush parts (odd and even) are printed in TPU Frame and lid in PLA. A couple of different frames to choose from. 50-150mm (height of brush part) The brush parts are 5mm high each. There are even and odd brush sets with different brush pin positions. Ex for 50mm cat scratcher 1x 50mm frame 1x Lid 5x Tpu_Odd 5x Tpu_Even Lid is screwed in place with 3mm screws 10-16mm length. Fasten with double sided sticky tape or screws. There are also a distance piece if you want to add your own brushes or have bigger gap between brush sets.