You wish to make sure, although, that the objects are massive enough to see once up high; a collection of salt and pepper shakers, for instance, may not be the right scale for that spot. Magdalena Björnsdotter and Erik Björklund lined their century-old farmhouse in rural Sweden in brilliant white paint. The black-and-white kitchen features a flea-market desk, industrial-style chairs and a metal-and-driftwood pendant mild by Olsson & Jensen. The partitions are painted in Rose Quartz and the cabinetry in …