Bridge Torture Test
by triffid_hunter, published
Struts are hollow to speed printing.
My test with this show me that I must print bridges slowly!
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Sag is when the temperature is too high and the plastic is drooping because it is too liquid. Lower the temperature at 2 degree increments. You'll know the temperature is too low if the plastic is not sticking on the ends.
thanks for the tip, got me closer to achieving it but still getting a sag with 1.75 ABS, not sure if its my bed temp that is too high. first layer is 120, then dropping to 100. extrude temp at 242, flow rate as per your recommendation. have tried multiple at different temp still not there:(.
The trick is to slow the bridging speed to 28mm/sec, use a flow ratio of 0.85 and to tweak the temperature very carefully.
2 degrees celsius makes a difference.
Good results: http://www.thingiverse.com/mak...
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Give a Shout Out
2) observe bridge
3) adjust bridge settings
4) goto 1 unless great
5) observe quality of circle
6) fine-adjust bridge settings
7) goto 1 unless excellent
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