Your PCE BT with 3D printed shell is upgradeable to the injection molded shell if you meet the following criteria:
Add to Cart Electronic DeathStyle - Audio Music Album for PCEngine/TurboGrafx-16 by Remute 110.15AED Add to Cart
Choose Options Electronic Lifestyle - Audio Music Album for PCEngine/TurboGrafx-16 by Remute 154.23AED Choose Options