I think it is the third one
You could no longer do standard seaming, but you could do free motion embroidery.
If you want to fix this there are a few common ways that they get broken and fixed from home:
thread could be jammed, just remove the needle plate and clean
hasn't been lubricated in a while, either take it in and have it done or do it yourself with a drop of sewing machine oil
or because they're dropped, in this case just look for a switch.
if it's not any of these, you may want to take it in and have it looked at :-)
Answer:
I don't <em>exactly</em> know if this is the correct way but it works for me.
Explanation:
I gently scribble some lines, dark or light scribbles depending on the darkness of the shade you want, then I use my finger and push down whilst spreading around the scribbles making it look like shading. If there are still scribble marks afterward, you can erase it and gently do it again until it matches the shade you'd like. I don't know if this helps but that's the technique I use
PRINCIPLES OF ART: Balance, emphasis, movement, proportion,rhythm, unity, and variety; the means an artist uses to organize elements within a work of art. by the careful placement of repeated elements in a work of art to cause a visual tempo or beat. equilibrium or stability to a work of art.
