Thanks those give me some things to decide that is for sure. I like the idea of ones in back as well instead of on the front. My OctoPi cam is in the front corner it would totally be blocked.

Quote Originally Posted by DaveB View Post
The PLA/PHA material appears to be similar to the Makergeeks Raptor series of PLA filament. I do print the Raptor stuff at 230. It prints kind of like a cross between PLA and ABS, has much better high temp characteristics than straight PLA, and needs to be "annealed" at 100C for 5-10 minutes after it is printed for max strength and temp stability.

The fan shroud you id'd comes in from the front side of the printer and will block your view of the nozzles. Here are some other choices and tradeoffs:
http://www.thingiverse.com/thing:1542849 dual rear uses existing blower
http://www.thingiverse.com/thing:1695189 dual rear reqs 2 x blowers on back
http://www.thingiverse.com/thing:1716089 Single, uses existing blower, improved ductwork for left blower