Qt Quick 3D - Particles 3D Testbed Example

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 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts

 Item {
     property alias text: propText.text
     property alias checked: checkBox.checked

     width: rowLayout.width
     height: rowLayout.height

     RowLayout {
         id: rowLayout
         CheckBox {
             id: checkBox
             indicator: Rectangle {
                 anchors.centerIn: parent
                 implicitWidth: 20
                 implicitHeight: 20
                 radius: 5
                 color: checkBox.pressed ? "#d0d0d0" : "#606060"
                 border.color: "#848895"
                 Rectangle {
                     anchors.centerIn: parent
                     implicitWidth: 12
                     implicitHeight: 12
                     radius: 4
                     color: "#ffffff"
                     border.color: "#848895"
                     visible: checkBox.checked
                 }
             }
         }
         Label {
             id: propText
             color: "#f0f0f0"
             font.pointSize: settings.fontSizeSmall
             Layout.minimumWidth: 150
             Layout.maximumWidth: 150
             opacity: checkBox.checked ? 1.0 : 0.5
         }
     }
 }