It is possible to do small thin legs, but this print took 4 tries. Printed at 200C. You need to get the speed settings just right. In case of Cura, it's tweaking the minimal layer time and the minimal feedrate (in expert settings)
I used this fan shroud:
http://www.thingiverse.com/thing:10501
Which doesn't provide a whole lot of airflow, but it does provide airflow just below the tip of the hotend, which works great for prints like you see above here.
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alaris2 1
you'll want a different fan for that.
the stock fan is good for large area objects, the mauritius? fan is better for tall objects. (
http://www.thingiverse.com/thing:17768
)
but don't expect very tall and thin to ever be perfect - are you using Cura? there are settings there that will help with regard minimum layer times.
note that fan I linked is *only* good for tall thin objects or finely detailed things. it creates too much back pressure on the puny fan and most of the air comes out the wrong side.
I've come to the conclusion there is no 'one fan fits all' solution, but that will probably start a 'favorite fan' thread..
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