When I try to run the soft gripper simulation using my own mesh files and stl files, the finger.py file loads it correctly, but the gripper.py file loads the model from the tutorial. Please help.

[discreet26]

-- coding: utf-8 --

import Sofa.Core
import Sofa.constants.Key as Key
from stlib3.physics.deformable import ElasticMaterialObject
from stlib3.physics.constraints import FixedBox
from softrobots.actuators import PullingCable
from stlib3.physics.collision import CollisionMesh
from splib3.loaders import loadPointListFromFile

class FingerController(Sofa.Core.Controller):

def __init__(self, cable, *args, **kwargs):
    Sofa.Core.Controller.__init__(self, *args, **kwargs)
    self.cable = cable
    self.name = "FingerController"

def onKeypressedEvent(self, e):

    displacement = self.cable.CableConstraint.value[0]
    if e["key"] == Key.plus:
        displacement += 1.0
    elif e["key"] == Key.minus:
        displacement -= 1.0
        if displacement < 0:
            displacement = 0
    self.cable.CableConstraint.value = [displacement]

def Finger(parentNode, name="Finger",
rotation=[0.0, 0.0, 0.0], translation=[0.0, 0.0, 0.0],
fixingBox=[-5.0, 0.0, 0.0, 10.0, 15.0, 20.0], pullPointLocation=[0.0, 0.0, 0.0]):

finger = parentNode.addChild(name)


eobject = ElasticMaterialObject(finger,
                                volumeMeshFileName="/home/discreet/Downloads/finger.vtk",
                                poissonRatio=0.49,
                                youngModulus=18000,
                                totalMass=0.5,
                                surfaceColor=[0.6, 0.3, 0.9, 1.0],
                                surfaceMeshFileName="/home/discreet/Downloads/finger.stl",
                                rotation=rotation,
                                translation=translation)
finger.addChild(eobject)


FixedBox(eobject, atPositions=fixingBox, doVisualization=True)


cable = PullingCable(eobject,
                     "PullingCable",
                     pullPointLocation=pullPointLocation,
                     rotation=rotation,
                     translation=translation,
                     cableGeometry=loadPointListFromFile("/home/discreet/Downloads/cable.json"))


eobject.addObject(FingerController(cable))

def createScene(rootNode):

from stlib3.scene import MainHeader, ContactHeader
    
MainHeader(rootNode, gravity=[0.0, -981.0, 0.0], plugins=["SoftRobots"])
ContactHeader(rootNode, alarmDistance=5, contactDistance=3, frictionCoef=0.1)

rootNode.addObject('VisualStyle', displayFlags="showBehavior showCollisionModels")

Finger(rootNode, translation=[0.0, 0.0, 0.0])

return rootNode

GRIPPER.PY FILE IS BELOW

-- coding: utf-8 --

from grippercontroller import GripperController
from finger import Finger

def Gripper(parentNode=None):
gripper = parentNode.addChild("Gripper")

f1 = Finger(gripper, "Finger1",
            rotation=[0, 0, 105],
            translation=[20.0, 0.0, 0.0],
            fixingBox=[-20, -10, 0, 20, 10, 15],
            pullPointLocation=[3, 10.5, 3])

f2 = Finger(gripper, "Finger2",
            rotation=[180, 0, 65],
            translation=[-10.0, 0.0, -4.0],
            fixingBox=[-20, -10, -30, 20, 10, 0],
            pullPointLocation=[3, 10.5, -7])

f3 = Finger(gripper, "Finger3",
            rotation=[180, 0, 65],
            translation=[-10.0, 0.0, 34.0],
            fixingBox=[-20, -10, 0, 20, 10, 50],
            pullPointLocation=[3, 10.5, 31.5])

gripper.addObject(GripperController([f1, f2, f3]))

return gripper

def createScene(rootNode):

from stlib3.scene import MainHeader, ContactHeader
MainHeader(rootNode, gravity=[0.0, -981.0, 0.0], plugins=["SoftRobots"])
ContactHeader(rootNode, alarmDistance=4, contactDistance=3, frictionCoef=0.08)
rootNode.VisualStyle.displayFlags = "showBehavior showCollisionModels"

Gripper(rootNode)
return rootNode