About this 3D model
This case is designed to fit an Arduino mega 2560. it can be mounted without screws and is available with 6 different versions of the top part. It has 4 holes for screws so it's good also for static applications. the 6 different tops, give you the choice to use this case as a regular case, a storage box or "black box" that answers you by serial port. If you don't have an Arduino mega and you want to buy one, you can find it here: https://amzn.to/2R2459t http://s.click.aliexpress.com/e/quf9brK