Looking for any leads for improving my prints. Not quite sure where I am going wrong. The biggest issue is the melted area on the lower bow. That, and the overall patchy surfaces. Any suggestions or recommendations will be greatly appreciated. Thanks.

My settings are:
XYZ Davinci 1.0.A
Repetier firmware 0.92
X acceleration: 800
Y acceleration: 800
Z acceleration: 100
Jerk: 8
Z-jerk: 0.3
ABS, 1.75mm
Extrusion multiplier: 1
Extruder temp: 215 C
Bed temp: 75 C
Retraction on move: 1mm @ 40mm/s
Z lift: 1mm
Extra length on restart: 0mm
Min travel requiring retraction: 0.2mm
Min extrusion requiring retraction: 0.1mm
Extrusion width (first layer) 100%
Extrusion width (outside perimeters) 100%
No cooling fan
Layer height: 0.3mm
Perimeters: 1.2mm
Solid top and bottom layers: 1.2mm
20% infill - lines
Infill speed: 30mm/s
Top solid infill: 30mm/s
Inside perimeters: 20mm/s
Outside perimeters: 70%
Bridges: 75mm/s
Travel (non print): 120mm/s
Skirt: 3 loops @5mm separation
No support material