appearance architectural elements architecture bolt bolted closed closed doors doors entrance grain historic lock locked metal old padlock rings secure secured security small bolt texture wood wood grain wooden bark bark texture gray surface nature pattern plant wood texture brown plank slat warm background veneer board contrast joint natural abstract color colored colors colour coloured colours curved curves grained panel paneling panelling rough surface surfaced surfaces textured textures uneven varnish varnished wall wallpaper wood-grain copy space fill space laminate laminate texture wood pattern