Glass Bed Worth Buying?

I have a PowerSpec Ultra 3D (FF Dreamer Clone) and I’ve been having issues with larger prints warping because of the bottom layers peeling off the bed.I’m using hairspray directly on my aluminum bed that has a yellow coating on it and that helped with elephant foot issues with my prints but on my larger prints it’s still an issue.I’ve read that a glass bed is better suited for this for for about $40 I’m hesitant to make the plunge and wanted to get some opinions from everyone. http://ift.tt/2a3UfdF

What’s the legality of publishing CAD files recreating patented devices on the internet?

If someone has a commercial product and I upload a CAD file to Thingiverse that is a replica of the patented item, am I violating any US laws? Do I have any sort of liabilities here? Not trying to sell anything. http://ift.tt/2aiNCZ6

Monoprice Maker Select V2 Bed Issue

I just got my printer and got it all set up.I like it, but the bed is warped quite a bit. I can get the bed perfectly aligned with the extruder in maybe a 3″x3″ area in the middle of the bed, but as soon as it gets outside of the middle area, it will drag as the plate is obviously higher the closer you get to the outside.Are they all like this? Am I expecting too much from a cheap printer? Or should I ask Monoprice to send me a new bed? http://ift.tt/2a3BIy4