MW 2.2 Fill Problem

by mphardy, published

MW 2.2 Fill Problem by mphardy Jun 23, 2013
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MakerWare was both a big advance and in some situations a disappointment.

The gallery image shows the fill generated by the new "medium" setting (.2mm) with 100% infill, 2 shells. In this case, each layer of fill between the cut-outs in the beam follow the same exact pattern and do not fully fill the area. In the end, holes clear through solid portions of the beam can be seen.

Using the new "High" profile in MW seems to result in similar failures in this critical area of the print.

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MW 2.2 Fill Problem by mphardy is licensed under the Creative Commons - Attribution license.

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You can still use the Skeinforge slicer. It works much better in many instances... just slower. Skeinforge seems to produce nicer results at the .1mm layer resolution. Also at .2 and .3 (and .34)

SF seems to have similar problems at .1 when the internal gap between shells gets too narrow... it just refuses to fill leaving holes. I just compared SF and MW 2.2 MG with http://www.thingiverse.com/thing:32433http://www.thingiverse.com/thi... and found the MG with shells=1 to be a better output. With shells=2 both produce bad output where about a shell's width between double shells is very poorly filled leading to structural issues.

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SkeinForge doesn't do "2 shells" well if you are going to do a heavy fill. It'll leave a space in places. Do a custom profile and reduce the density setting of your filament slight amount ( like .97 to .95 or .94) That should help get more filament out of the nozzles.

Personally, I really do not like the default slicer (Miracle Grue)

Yeah I noticed that too

I too have similar problems in all of my prints. The diagonal fill has caused more issues than 2.2 fixed. I like the hex fill which seems a bit faster, but on complicated geometry (such as flat surfaces with bolt/screw holes), the diagonal slicer misses alot of area that the old version filled beautifully.