I find the work of Catherine Willis very inspiring. Her wire work looks like tenuous line drawings.I think that these circles are 'perfect'. What is even more interesting about this work is the added element of smell.
Perfume Ring No. 1 2008
Hazelnut branch , indigo dyed cotton, perfume fragments.(to be vaporized now and then with labdanum perfume -Cistus ladaniferus- ) Diameter: 1m,26.
Twin Perfume Circles 2008
indigo dyed cotton, perfume fragments.( to be vaporized every now and then with vetyver perfume) Diameter=0,64m.
images and details from here