Beaded chain gear for AM43 blind motor
thingiverse
This is a replacement gear for AM43-style blind motors. I designed it specifically for chains with a bead diameter of 4.5mm and pitch of 6.2mm between bead centres. The gears that came with the controller are fairly generic and after a while there is a lot of slipping. I recommend printing in PETG or ABS for durability, though PLA will work for a while (but experiences more wear). I designed this in Onshape, see below for a link to the original design. Please add a comment and link if you remix for different chain.
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