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Attention:
I recommend anyone to use the newer version of this model here: https://www.thingiverse.com/thing:2615842 !
This is practically a remix of kmsd's "Customizable Better Temperature Tower" ("https://www.thingiverse.com/thing:2491884). The main difference is that you can change the direction of where the highest and the lowest temperature will print: on top or on the bottom of the tower.
I also have made a second version of this remix with an overhang on the right side with a pointy cone on top of it. This is supposed to show how exact your printer prints (and cools) small pointy details. See https://www.thingiverse.com/thing:2615842 for version 2.
Usage example in Slic3r:
1. Generate the tower with openscad:
$ openscad tempTower.scad
Set the following variables in the openscad window to your liking:
// temperature of the first lowest block
start_temp = 220;
// temperature of the last highest block
end_temp = 185;
// change in temperature between successively printed blocks
temp_step = 5;
Render and export the model to .stl and close openscad.
2. Generate gcode with Slic3r:
- Open the .stl file in Slic3r.
- Set layer height to 0.2mm. If not, multiply the skip and block parameters by (0.2mm/new_layer_height).
- Add the following to:
"Printer Settings" -> "Custom G-code" -> "Before layer change G-code":; Layer [layer_num]
This makes it possible for the 'setLayerTemperatur.py' script to recognize the single layers.
- Set the initial temperature in the filament settings. The pedestal on which the temperature tower stands will be printed with this temperature.
- Save the .gcode file of the model.
3. Write temperature settings to gcode file with setLayerTemperatur.py:
-
On the commandline:
$ ./setLayerTemperatur.py -h usage: setLayerTemperatur.py [-h] -s STARTTEMP -e ENDTEMP -t TEMPSTEP -f GCODEFILE Sets the proper temperatures to the corresponding layers of a gcode file exported from Slic3r. This allows the temperature tower to have different temperatures per block. optional arguments: -h, --help show this help message and exit required arguments: -s STARTTEMP, --startTemp STARTTEMP Temperature of the first (lowest) block. -e ENDTEMP, --endTemp ENDTEMP Temperature of the last (highest) block. -t TEMPSTEP, --tempStep TEMPSTEP Temperature change between successively printed blocks. -f GCODEFILE, --gcodeFile GCODEFILE The .gcode file to process.
By now the different temperatures should have been written to a new .gcode file that starts with "OUT_" and ends with the name of your old .gcode file. This file you can send to your printer and the tower should be printed out with the different temperature settings.$ ./setLayerTemperatur.py -s 240 -e 215 -t 5 -f tempTower_PETG_Black.gcode startTemp: 240 endTemp: 215 tempStep: 5 gcodeFile: "tempTower_PETG_Black.gcode" outFile: "OUT_tempTower_PETG_Black.gcode" step: -5 -> M104 S240 -> M104 S235 -> M104 S230 -> M104 S225 -> M104 S220 -> M104 S215