CTC 3D Printer Dual - MK8 extruder top plate

With the original top plate my pla filaments breaks very often at this point.

So i modified the original plate and all is fine.

info
Printer: Prusa i2
nozzel 0.5mm
layerhigh: 0.3mm (fl 0.35mm)
material: ABS
infill (Slicer) 0.4 (but less also works)