1984 Ingsoc logo
Description
The Ingsoc (newspeak word for English Socialism Party) logo from George Orwell's doubleplusgood dystopian novel Nineteen Eighty-Four. <b>SOURCE</b>: The design is based on the [wikipedia logo](https://en.wikipedia.org/wiki/Ingsoc#/media/File:Ingsoc_logo_from_1984.svg) <h2><b>Brief description of design process</b></h2> The [logo](https://en.wikipedia.org/wiki/Ingsoc#/media/File:Ingsoc_logo_from_1984.svg) was modified and converted using the [Inkcape](https://inkscape.org/en/) with extension for the OpenSCAD ([Download](https://github.com/fablabnbg/inkscape-paths2openscad), [information](https://www.thingiverse.com/thing:25036)) into the several layers and merged together usign [OpenSCAD](http://www.openscad.org/). <h2><b>Tutorial for the multicolor print using any printer</b></h2> It might sound strange, but every 3D printer is capable of layer-based multicolor print by spliting the generated <i>GCode</i> file into multiple (one file for each color). <i>Gcode</i> files contain the instructions for the printer such as movement of the motors or the temperature of the heatbed. You should never changes any value in the <i>GCode</i> if you don't know the result. But let's move on. - Firstly you need to download [Slic3r](http://slic3r.org/) or [Slic3r PE](https://www.prusa3d.cz/slic3r-prusa-edition/)(recommendet) in order to see the comment `;AFTER_LAYER_CHANGE` in the <i>Gcode</i> file. These comments are added by Slic3r and determines where in the <i>GCode</i> the new layer is being change. - Secondly you slice your file using Slic3r then you open the generated file in text editor such as a regular Notepad. You are looking for comment `;AFTER_LAYER_CHANGE` followed by the `;XX.X` where XX.X is desired layer. <b>For example</b>: you want to print first 2mm of the model in one color and the rest in the second color. You are going to print the model at 0<b><font color="blue">.2</font></b>mm resolution. Open generated <i>GCode</i> and look for: <pre><code> ;AFTER_LAYER_CHANGE ;2<b><font color="blue">.2</font></b> </code></pre> For printing at 0<b><font color="lime">.1</font></b>mm resolution you are looking for lines: <pre><code> ;AFTER_LAYER_CHANGE ;2<b><font color="lime">.1</font></b> </code></pre>etc. You just found the place where to split the <i>Gcode</i> file! - Now you copy the lines of <i>Gcode</i> into separated file and modify the <i>GCode</i>. Last line before the comment `;AFTER_LAYER_CHANGE` tells the printer to move in the Z axis therefore in order to simplify the process of the filament replacement I recommend increase that value a bit. <b>For example:</b> we have following file with the comment `;AFTER_LAYER_CHANGE` found: <pre><code> [BEGIN] ... ... G1 E-0.04000 F2100.00000 G1 <font color="blue"><b>Z</b></font>2.600 F10800.000 <font color=#a3a3c2><i>move in Z axis to position 2.6mm</i></font> ;AFTER_LAYER_CHANGE ;2.2 G1 X107.365 Y144.542 <font color=#a3a3c2><i>move in to new XY position</i></font> G1 Z2.200 <font color=#a3a3c2><i>move in Z axis to position 2.2mm</i></font> ... ... [END] </code></pre> So we split the <i>GCode</i> into two files and we modify the Z position in the first file in order to make the filament change easier <b>part1.gcode</b>: <pre><code> [BEGIN] ... ... G1 E-0.04000 F2100.00000 G1 Z<font color="blue"><b>5</b></font>2.600 F10800.000 <font color=#a3a3c2><i>move in Z axis to position 52.6mm</i></font> ;AFTER_LAYER_CHANGE ;2.2 </code></pre> <b>part2.gcode</b>: <pre><code> G1 Z2.600 F10800.000 <font color=#a3a3c2><i>reverting the changes from file1.gcode</i></font> ;AFTER_LAYER_CHANGE ;2.2 G1 X107.365 Y144.542 G1 Z2.200 ... ... [END] </code></pre> - Lastly, you just print splited files and viola you have your mutlicolor print Recommendations and warning: Watch your printer durring the first mutlicolor print. Also, I have no responsibility for possible damage on your print.
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