Heattower for Extruder Heat Calibration

by zumili, published

Heattower for Extruder Heat Calibration by zumili May 8, 2016
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Here you can find 2 simple "Heattower" to find the perfect temperature for your extruder and your used filament. One tower has a size of 20x20x50mm for 10 different temperatures the other 20x20x60mm for 12 different temperatures.
Every 5mm you can see a pit to recognize the different layer temperatures.

You have to set your slicing software that it change every 25 or 50 layers the temperature. It depends on your layer height. I use a layer height of 0.2mm so I change the temperature every 25 layers. I start at 235C° for PLA and decrease the temperature every 25 layers about 5C°.

If you use S3D you can easy set these temperatur settings under the "Temperatur" tab. If you use another slicer you may have to change them direct in the gcode.

Its important, that you print the heattower with the same speed you print your other stuff to get the best results! So if you print your outer perimeters with let say an averange speed of 35mm/s then also print the heattower with 35mm/s.

Print Settings








0.2 layer height, 3 bottom surfaces 0 top surfaces and 1 perimeter




For best results print it in vase mode but the standart printing mode is also useable.
Use 1 perimeter and 0% infill. Also use no top surfaces.

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nice work bro, I'lll take this to test my filament supplier

have you tried using slic3r with this? I tried it and it seemed to have removed a few of the top layers.

What slicing software can you change the temperature @ specific height on? I am using Repetier currently and it only allows me to set first and subsequent layers nothing in between.

Cura with tweak at z plugin. if you cant connect to cura get version 14.x.x. they started doing some auto com/baud crap that doesn't work with most printers.

Simplify3D can do this but you can also create a heattower with your favourite slicing software and insert the temperatur g-code by hand into the created g-code of your heattower every 25 or 50 layers.

In Cura you can use the Tweak At Z Plugin. It's under "PRESETS", and is pre-loaded on the IIIP version, not sure where in later versions.
You just add a Tweak At Z layer for each temp change, then enter the new temp for each layer.

Nice hint, that is what i'm looking for. I don't want to switch to Simplify only for test-cubes.