Property 'length' does not exist on type 'Vector3[]'

import { Workspace } from "@rbxts/services";
import { calculatePos } from "./Modules/Spline";

/**
 * @name ConveyorPole
 * @description Connects to a Conveyor.
 */
export class ConveyorPole {
    public position: CFrame;
    public connectedBelts: Conveyor[] | undefined;

    constructor(position: CFrame, connectedBelts?: Conveyor[]) {
        this.position = position;
        this.connectedBelts = connectedBelts;
    }
}
/**
 * @name Conveyor
 * @description The physical belt between two or more ConveyorPoles.
 */
export class Conveyor {
    public conveyorPoles: ConveyorPole[];

    constructor(conveyorPoles: ConveyorPole[]) {
        this.conveyorPoles = conveyorPoles;
    }

    renderBelt() {
        const newPoints: Vector3[] = [];
        this.conveyorPoles.forEach((point: ConveyorPole) => {
            newPoints.push(new Vector3(point.position.X, point.position.Y, point.position.Z));
        });

        for (let i = 0; i < newPoints.length - 1; i++) {}
        //!TODO Render the belt using Mesh Deformations instead.
        // const Part = new Instance("Part");
        // Part.Size = new Vector3(2, 0.5, 1);
        // Part.Anchored = true;

    }
}

import { Workspace } from "@rbxts/services";
import { calculatePos } from "./Modules/Spline";

/**
 * @name ConveyorPole
 * @description Connects to a Conveyor.
 */
export class ConveyorPole {
    public position: CFrame;
    public connectedBelts: Conveyor[] | undefined;

    constructor(position: CFrame, connectedBelts?: Conveyor[]) {
        this.position = position;
        this.connectedBelts = connectedBelts;
    }
}
/**
 * @name Conveyor
 * @description The physical belt between two or more ConveyorPoles.
 */
export class Conveyor {
    public conveyorPoles: ConveyorPole[];

    constructor(conveyorPoles: ConveyorPole[]) {
        this.conveyorPoles = conveyorPoles;
    }

    renderBelt() {
        const newPoints: Vector3[] = [];
        this.conveyorPoles.forEach((point: ConveyorPole) => {
            newPoints.push(new Vector3(point.position.X, point.position.Y, point.position.Z));
        });

        for (let i = 0; i < newPoints.length - 1; i++) {}
        //!TODO Render the belt using Mesh Deformations instead.
        // const Part = new Instance("Part");
        // Part.Size = new Vector3(2, 0.5, 1);
        // Part.Anchored = true;

    }
}