hello just picked up a glass bed on ebay http://www.ebay.com/itm/Glass-Print-...item4d24af6708

its 0.25" thick. Im a newbee so I need some help I need to know how to install it and which shim to print I already printed this one http://www.thingiverse.com/thing:607871 but not to sure if it will work or how to install it. Also need to know which bed holders to print thanks for the help.

I have the Flashforge Creator Dual extruder