AppShell.xaml

<?xml version="1.0" encoding="UTF-8" ?>
<Shell
    x:Class="RadialMaui.AppShell"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
    xmlns:local="clr-namespace:RadialMaui.Views"
    Title="RadialMaui">

    <TabBar>
        <ShellContent ContentTemplate="{DataTemplate local:GCodeControllerView}"
                      Route="GCodeControllerView" 
                      Title="GCode"
                      Icon="gcode.png"/>
        <ShellContent ContentTemplate="{DataTemplate local:ImageControllerView}"
                      Route="ImageControllerView" 
                      Title="Image"
                      Icon="image.png"/>
        <ShellContent ContentTemplate="{DataTemplate local:SVGControllerView}" 
                      Route="SVGControllerView"
                      Title="SVG"
                      Icon="svg.png" />
    </TabBar>

</Shell>