Today, in the same way as you print pots and whistles, you can now mold containers and boxes, according to your imagination. Sites like Thingiverse are filled with models, parts and pieces, but it is almost certain that you do not find exactly what you need for your purpose.
Often, the solution then is designing your ad hoc case: it may seem complicated but, with the help of the right tools, design such kind of objects is within the reach of everyone, including beginners.
…First of all we can say that the entire case (with the brackets to be fastened to 3Drag, the knob and the reset button) has been fully realized with Tinkercad, no tricks and no shortcuts. By the way, for the sake of readability, we will only focus on the implementation of part of the case – as a Tinkercad tutorial – since also the STL files are available for download and then you can download and make your case for the stand-alone printing interface for 3Drag or any RepRap printer with Sanguinololu controller….