| multiple edges on extrude
I'm working through the tutorial with mostly good results. However, I notice that on several occasions using the specified tools, I'm getting more than one edge appearing in the same space. The initial extrude on the left side resulted in my two front corners being separate. After deleting the extruded edges and rebuilding the front faces with the bridge and tesselate tools, the extrusion worked as expected, with the corners moving in sync rather than as separate units.
Also, when I attached the knob to the left top, using the facet tool to fill in the gap resulted in multiple edges which don't show up in unsmoothed mode, but which cause things to get seriously screwed up when smoothed. I managed to separate the overelapping edge points and fuse them with a target weld and all is well. But I'm not sure what I'm doing wrong to produce those multiple elements.
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