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18. Wildcard week

This week I design and made the internal packaging of my final project through ploystyrene cutting, and so including a digital fabrication process and manufacturing not covered in my other assignments.

Polystyrene cutting

Camputer aided design

1st I designed it first including my final project 3D model inside an hypotetical solid; Then by a front perspective I made contour command, and selecting both I projecting 20 mm spaced lines, like the thickness of the polystyrene sheets I used;


2nd I dimensioned and modeled my internal packaging to remove it easly from the external one;


3rd And then I moved them next to each other, and I exported them in a single .pdf file.


Computer controlled cutting

1st I installed Inkscape already; I imported my .pdf file and scaled them as default measure;


2nd I placed and fixed 25x25 cm polystyrene first sheet on the Orange 2D polystyrene cutter, to the sliding support with a screw;

3rd I downloaded and installed Polyshape & ShaCo softwares;

4th I connected my pc and the machine by serial port;

5th And then I generated the respective G-code and I started the cutting process, setting also the temperature of the cutting wire:

  • sending object by path;

  • selecting the supported software and the connected machine;

  • features about the single process, sheet, and speed too. Applying this settings the drivers will generate the respective G-code;

  • opening ShaCo, and managing the respective generated files (also refreshing it, if necessary);

  • selecting the right temperature of the cutting wire, then click on “Start!” to cut.


Below you can find images describing step by step.