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3D model description

A bit of background on this piece: the model itself is my first ever attempt at 3d printing. The assembly of the original was done by hand, but that is the only step that resembled traditional not-printing. I wrote a rudementry model slicing tool in college one afternoon; and then realized that I could put that to work in a sculpture class I was taking at the time. The assignment was basically "here's two big sheets of polystyrene; go nuts." I finished the project in a few days, where two weeks were alloted for the assignment.

For your enjoyment, I've included a picture of my two original prints.

I'm going to decline to release my code right now, as "rudementry" is an overstatement on the quality of the code and my poor understanding of best practice at the time.

Yeah, I know, everyone uses "but my code is ugly" as an excuse, but believe me, using a shell script to generate a c++ header from an .obj file (for obscure performance reasons, and didn't know of a good library to use for what I wanted, and didn't want to spend the rest of the afternoon researching one) and re-adapting a program you wrote to demonstrate shader programs (for an independant study) to facilitate the slicing stuff... oh and don't forget, the gui for operating the slicer (adapted from the demo program) is a python program. More embarassing than the run-on sentance I just wrote. Trust me, the code is fugly. Time constraints and using what I knew at the time won over researching best practice.

I do have plans to remake the slicing tool now that I'm older and wiser, since it enabled something that resembles 3d printing to persons with no budget. It also enables working in pretty much any scale you like without concern for overhangs. Such a remake I would opensource or make public domain for sure.

Oh, almost forgot; this piece is an abstraction of an aligator vertebra.

3D printing settings

Since I've printed this two different ways;

Method A:
1. Slice the model for the sculpture into layers. (Write a script to do it in one afternoon, guess at the scale, use no real world measurements)
2. Print the images of the slices out on the art department's laser printer.
3. Transfer the outlines onto sheets of polystyrene.
4. Cut out the parts and glue them together.
5. Watch as your classmates hate you for producing two nearly identical sculptures with a reasonably sophisticated shape in two days and fucking around for the remaining time in the two-week long project.
6. ???
7. Profit!

Method B:
1. Build a repstrap.
2. Spend two weeks trying to get it calibrated well enought to print the #!$#@%ing head of the sculpture.

  • 3D file format: STL





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