If you have access to a vacuum former, or have constructed a DIY one to use, simply vacuum form a compact case to house your standalone electronics or arduino project. 

I made this at techshop! www.techshop.ws

Step 1: Bill of materials

Material to vacuum form (acrylic, pvc, pet-g, styrene...)
a mold (make one from wood, foam, rubber or whatever you want, but more easily and quickly, find a box, a tupperware, piece of   wood, or anything that is around the size of your electronics.
a vacuum form machine
hot glue
strong snips, a hacksaw, or a razorblade depending on the thickness of your material
a file or sander
an on/off switch
a drill or drill press with a bit the size of your switch's threads
rubber optional

For something that was a unique shape or function this technique would be OK. But, unless you have access to a very expensive machine and free materials, it would be cheaper, easier, and more professional looking to buy off-the-shelf from any number of electronics enclosure manufacturers. <br> <br>Just my take in DIY stuff. <br> <br>Ken
I prefer to root around in my junk box(es) and find an enclosure that works. Maybe one that has the power supply or connectors I need, or just looks cool.
Cool instructable, one thing I thought I would add is if you slope your mold with a minimum 3% grade, you wont get as much webbing on the sides of your form &amp; it will be easier to take out the mold. Also, polystyrene is one of the easier plastics to thermoform but if your project is outside it will not hold up to UV light for too long.
I love it! great job! :0

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