DIY Car radio replacement

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Where I live, there's always a risk that your car radio will be stolen, and it happened to me several times already. Unfortunately, repairing the damage isn't cheap. To combat this issue, manufacturers designed removable fronts for their car radios, hoping to make them worthless without them. The idea was that thieves wouldn't steal the radio if they couldn't remove it easily. However, over time, the connections between the radio and its front panel tend to wear out. When this happens, every time you try to use your radio, you'll struggle to get it working properly. I've encountered this problem with all my previous car radios. The worst part is when external features take control of your radio through the ether, switching from music on a USB stick to an important announcement on the radio. This drives me crazy because I don't even listen to the radio; I only play MP3s from my USB stick. So, I decided to replace my car radio with something that's not desirable for thieves and will keep working over time. Something that can withstand speed bumps would be perfect! I have a smartphone that serves as an MP3 player, and an old amplifier lying around. With a cheap €6 Bluetooth module, the phone can even auto-connect to the amplifier. The only thing left was something to hold these components together and replace my car radio with. I came up with the idea of creating a panel that looks like it covers a hole in the dashboard. This panel would have buttons for switching the amplifier, Bluetooth, and LM317 for 5V power. There's also a button for toggling between analog and Bluetooth input on the amplifier. The LM317 powers my phone and the Bluetooth module. I added a clip to hold my phone securely in place. If someone still tries to steal this setup, I won't lose any money because these parts were just gathering dust anyway! Printed in black ABS with 0.2mm resolution, 20% infill, 0.4mm nozzle at 245°C on a glass bed coated with hairspray at 100°C.