[TheBloodEagle]

Not sure if this is the right section but my buddy just got a job with Inventables since we're both getting more into DIY projects, specially stuff with Arduinos and we just joined a local hackerspace.
They just have a TON of stuff that you can use for case mods (seriously so much stuff):

https://www.inventables.com/

 

[cgipson1]

Looks like some good stuff out there... thanks!

 

[TLHarrell]

Their prices for some of the stuff is really out to lunch, but it's a good place to start for a lot of harder to find stuff. I wouldn't buy MDF from them, but I would buy small pieces of really interesting colors of acrylic that you couldn't get in small amounts like that from a distributor. Always ping EBay and Amazon, etc and check local sources before purchasing.