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MatterSlice possible bug
by >ChefScott

I have had this issue with several different models. Sometimes it seems that MatterSlice does not see the entire first layer of an object. For example these screen captures of this .stl:
http://www.decalsandtees.com/mattercontrol/phi.zip

http://www.decalsandtees.com/mattercontrol/matterslice.png
and compare it with the same object sliced with the Cura engine:
http://www.decalsandtees.com/mattercontrol/cura-engine.png

I am using MatterControl 1.1.2.2279 with a Printrbot Simple

ChefScott - June 24th, 2014 at 9:48a.m.

MatterControl respects your First Layer Extrusion width setting. You probably have it set to 200% (the default). This is causing the first layer to have thicker lines than in CuraEngine. You can change it to 0 or 100% and it will be the same as CuraEngine.
First Layer Extrusion Width

LarsBrubaker [Moderator] - June 25th, 2014 at 12:08p.m.

Fantastic, I never even thought of that.
Thanks!

ChefScott - June 25th, 2014 at 1:42p.m.