I cut the wand off my fridans roller blind and added a zigbee motor. Smart blinds for cheap. : r/ikeahacks
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How to Cut Roller Blinds: 11 Steps (with Pictures) - wikiHow
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Rollcutter
Cutting Down Roller Blinds – Taylor and Stirling Blinds, Curtains & Awnings
Cutting table for roller blinds UK-1 MAX
How to Cut Roller Blinds: 11 Steps (with Pictures) - wikiHow