Rescue when failed a print

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I you have a clogging in a print, or you ran out of plastic befor the print is done: there is a trick!!!
But it very simple: If it was a small print: reprint it

But if 12 h print stops after 11h30, you may want to try this!

Don't turn off the printer you need the z position of the printer without having to home it.

Use any printer controller like pronterface or repetier, or the lcd knob of the printer to find out the z height where it stopped. Leave the nozzle to this height and keep it in note.
For exemple it is at z = 1,6

Open gcode with notepad (in windows, but there is probably a similar app for mac or linux)

Use ctrl-f and search for the height where it stopped. For this example, it stopped at 1,6mm

search for "G1 Z1.6" , then push enter.

This will highlight the place where the layer changes to this z height. It might imprecise: like 1.61 or 1.58 choose the closest G1 Z** point.

This will be the point where you want to restart the gcode.

I you want to remember this point, the tricks is to add some enters just before this line. It makes a space that will be easier to find later.

Then you want to keep an introduction that homes only x and y and set temperatures and all that needs to be set.

You'll search for "G28": it homes all axis. You'll change it for "G28 X Y" because you don't want it to home z, as it is already at the good height.

Then keep some of the following lines until you see the line G92 E0. This is the last line of the introduction that you'll keep.

So All what is after G92 E0 and the point of the # 4 should be erased.

I suggest a trick that is faster to select and erase what you want: cap + page down/up, then when you are close to the second point you can keep use cap but use the up down arrow.

When what you want to erase is blue, press delete.

Hope it helps someone.

Very smart. I will definitely feel better knowing I can do this, although I haven't a print fail while watching it by running out of filament. I bet you could do this after the fact two, by carefully moving the Z around until it just touched the top. May not be perfect, but it might be good enough for a box, or something.

Doesn't help.

I'm sorry for you :-( here it works.