Made this in blender. The glass vials it is for is 14mm in diameter. The spray bottles were about 25mm in diameter but had an extremely tight fit so I have the diameter at 25.5mm. When importing into my slicer I noticed it was twice the size it should've been. New to blender so IK it's an issue with scale vs actual size, but I just scaled it down 50% in my slicer for convenience. YMMV, I don't use Scentbird so idk if there are difference sizes, made it for a co-worker. Feel free to print and iterate on my design at your will -ZEL