Whenever i use petg as interface, i can break the model with a little force. idk why is this happening.

Settings👇

Filament Slot 1: PORIMA SMR...

Filament Slot 2: PORIMA PETG support

Process Profile: 0.20mm Standard @FF AD5X ...

Support Settings

General Support

Enable support: On

Type: Tree (auto)

Style: Default (Grid)

Threshold angle: 45

Threshold overlap: 50%

First layer density: 90%

First layer expansion: 2 mm

On build plate only: On

Support critical regions only: Off

Ignore small overhangs: On

Raft and Filament for Supports

Raft layers: 0

Support/raft base: Default

Support/raft interface: 2 PETG

Avoid interface filament for base: On

Support ironing: Off

Ironing Support Interface: Off

Advanced Support Settings

Top Z distance: 0 mm

Bottom Z distance: 0.22 mm

Support wall loops: 0

Base pattern: Default

Base pattern spacing: 2.5 mm

Pattern angle: 0

Top interface layers: 2 layers

Bottom interface layers: 0 layers

Interface pattern: Rectilinear

Top interface spacing: 0 mm

Bottom interface spacing: 0.35 mm

Normal support expansion: 0 mm

Support/object XY distance: 0.4 mm

Support/object first layer gap: 0.2 mm

Max bridge length: 10 mm

Independent support layer height: Off

Tree Supports Parameters

Tip Diameter: 0.8 mm

Tree support branch distance: 10 mm

Branch Density: 30%

Tree support branch diameter: 2 mm

Branch Diameter Angle: 5

Tree support branch angle: 40

Preferred Branch Angle: 25

Multimaterial Settings

Prime Tower

Enable: On

Skip points: Off

Enable tower interface features: On

Cool down from interface boost during prime tower: Off

Internal ribs: Off

Width: 35 mm

Prime volume: 40 mm3

Brim width: Auto mm

Infill gap: 165%

Wall type: Rib

Extra rib length: 0 mm

Rib width: 8 mm

Fillet wall: On

Ooze Prevention and Flush Options

Ooze prevention enable: Off

Flush into objects infill: Off

Flush into objects support: Off

Multimaterial Advanced

Use beam interlocking: Off

Interface shells: Off

Maximum width of a segmented region: 0 mm

Interlocking depth of a segmented region: 0 mm

Flushing Volumes

From Filament 1 to Filament 2: 800 mm3

From Filament 2 to Filament 1: 800 mm3

Multiplier: 1

Filament Settings (PORIMA PETG Support)

Basic Information

Type: PETG

Vendor: Generic

Soluble material: Off

Support material: Off

Filament ramming length: 0 mm

Diameter: 1.75 mm

Density: 1.27 g/cm3

Shrinkage (XY): 100%

Shrinkage (Z): 100%

Price: 30 money/kg

Softening temperature: 70C

Idle temperature: 0C

Recommended nozzle temperature: Min 220C / Max 250C

Flow Ratio and Pressure Advance

Flow ratio: 1

Enable pressure advance: Off

Pressure advance: 0.02

Enable adaptive pressure advance (beta): Off

Temperatures

Chamber temperature: 0C (Activate temperature control: Off)

Print temperature (Nozzle): First layer 220C | Other layers 220C

Bed temperature:

Cool Plate (SuperTack): First layer 70C | Other layers 70C

Cool Plate: First layer 60C | Other layers 60C

Textured Cool Plate: First layer 40C | Other layers 40C

PETG is mixing with the original model (PLA) when used as support interface