X1C Carbon Main Board Fan Duct

Mount the main board fan to point directly at the X1C stepper driver heatsink
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updated March 2, 2023

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------ WIP HAS NOT BEEN TEST FIT YET -----

(That said, the dimensions are pretty much identical to other successful prints so it should fit. I just don't have my replacement fan at the moment to attempt the install. The most likely goof is the depth of the ledge.)

This is a remix of a few different X1C Main Board Fan Ducts which I thought could use some refinement.

Renba's model has an odd set of hexagons that make printing hard and I couldn't find any rationale for why those are there. Additionally, the exterior filet radius creates an inconsistent shell width, which leads to many extra moves instead of multiple continuous walls. Mitchell's model was a better, no odd holes and more consistent printing.

You can see these small, but persnickety, issues in the screenshots above (Renba on the top right, Mitchell on the left, mine at the bottom).

My main rationale to remix, however, was to add a depth stop for the heatsink insertion. When installing this on the heatsink, which it slides over, if you push it too far you could cover up the whole thing and make it impossible for the fan to push air.

This version has a small ledge that should sit against heat sink to get it seated to the right depth. I also spent a lot of time to ensure that the width is consistent along the shell so you get lots of walls and no infill spots.

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