This Three Roof Temple (Pagoda Style) has no image. The Deity is Ugra Chandi (Durga), a tantric goddess and the Titular Deity of the coppersmiths in Patan.
Foto in Carl Pruscha, Kathmandu Valley, Vol. 2, 1st ed., Wien 1975
Foto by sunmaya in http://www.panoramio.com/user/1759167/tags/Nepal