The LG Optimus 3D was the first device from LG to feature a full 3D interface. If you are wondering how you can root this device well just follow the steps below courtesy of XDA-Developers
Make sure you have backed all of your data before proceeding and Tech News Central is not responsible for any damage or bricking caused to your device by following the root method below.
3. Go to Settings -> Applications -> Development and enable USB Debugging mode
4. Connect your LG Optimus 3D to PC via USB
5. Extract the contents of the zip file downloaded in step 1 and execute run.bat and wait for it to complete. If rooted successfully you should see a Success Exploit Complete line.