flutter_3d_choice_chip
This package provides a simple 3D choice chip.
 
Getting Started
Import the file.
import 'package:flutter_3d_choice_chip/flutter_3d_choice_chip.dart';
Use with default style:
ChoiceChip3D(
  style: ChoiceChip3DStyle.blue, // ChoiceChip3DStyle.red, ChoiceChip3DStyle.white
  selected: true,
  onSelected: () {},
  onUnSelected: () {},
  child: Text("My Choice"),
);
Use with custom style:
ChoiceChip3D(
  style: ChoiceChip3dStyle(
      topColor: Colors.lightGreen,
      backColor: Colors.deepOrange,
      borderRadius: BorderRadius.zero
  ),
  onSelected: () {},
  onUnSelected: () {},
  child: Text("My Choice"),
);
Credit
Flutter 3D Choice Chip was inspired by button3d