Window Shade Light Blocking Channel

Print in Vase Mode. Remix to fit Switchbot Roller Shades. Inside channel is 20mm. Channel depth is 33mm. Part is 240mm high. Could be sliced to make custom heights. Scaling does not work well due to walls changing thickness and messing up vase mode print. Assembly relies on vase mode. Parts will side into hole left in center of walls. Use double sided tape to put on wall.