Here is a picture of a printed 3D hand. When I first tried to print it I had fingers flying all over the place. I even tried gluing them down to no avail!
Here is what you can do to make printing small parts possible.
1. Clean the glass with a razor blade.
2. Treat the glass with acetone and/or hair spray.
3. Print a 3mm "Brim" around the base of objects.
4. Print the center or "infill" first, then the edges.
5. Use a soldering iron if needed to remove "bumps".
6. Slow down the acceleration to 1000 or 2000.
Here is a video of the results.
The problem is that the plastic expands in the Z axis as it cools. Then when the print head goes over it the part is impacted and sent flying. If the "infill" is printed first then the edge does not need to be passed over to print the infill.
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