Replicator's FAN cover ?Replicator?????????????

Makerbot Replicator’s print head cover for more accurate print. Stop cooling printing model by print head cooling fan, and make printing better.

updated@2012/10/23 pintokitkat made PDF version. Thank you pintokitkat!

Here's thermo movie of Replicator without head cover.
youtube.com/watch?v=y96ulMCkNMM
(3sec per frame, 20x speed playing)

Following this video, Replicator's head's cooling fan cools printing models too. Printing model's temperature should be high as stage's, but cooling fan’s exhaust is blowing to printing model. And model temperature get too low to print, and the model distorted.

Here's some picture of distorted model.
db.tt/LzyQcNCJ

This cover stops blowing to model from the cooling fan, and make exhaust to upper.
Here's thermo video of cover attached Replicator.
youtube.com/watch?v=u1Dv0QUWssw
(3sec per frame, 20x speed playing)

The printing model’s temperature is not so low as without cover's.
And here's some photo of printed models wi