ba1969 background black and white dot drawing illustration ink pattern pen and ink stipple texture bird birth card Easter floral flowers leafs love message ribbon seasonal text valentine vector blue comic cover desktop Fractal fractals math mathematical mathematics shiny spill split water wave afternoon beautiful bremen bridge dawn dusk europe germany night peace peace of mind sunset windmill color colors colour colours finish metalmetallic reflection shade shades sheet sundfractals surface broken cut explode explosion glass mathematic maths sharp adelaide artificial Australia biodome garden humid humidity light mist path rainforest ray steam sveres trees