Navigate to the G-Code Files page and select the UltiBotsFirstPrint-PLA.gcode file. Click the Yes button to start the print.
The D300VS will first run the auto-calibration routine and then start the print.
Once the print starts, watch it closely. First you'll notice that a single line of filament is printed around the part. This is called a skirt and is used to fill prime the hot end for printing. The skirt might start a little poorly but by the time it completes, the filament should be flowing smoothly and the skirt should stick to the blue tape.
Next the printer lays down three loops or perimeters around the outside of the part. Then it fills these in with what's called a shell layer.
This very first layer is special and is the most critical to print. It is the foundation for the rest of the print so it must be smooth and strongly adhered to the bed. The second photo shows a what a great first layer looks like.
This print has two shell layers, then you'll notice that it prints the perimeters but fills them in with smooth back-and-forth strands with gaps between them. This is called infill. This continues until the near the top of the print. Then, two more shell layers are printed.
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