Thứ Tư, 19 tháng 2, 2014

Printed Scan Data: Eggshell

Today, we finally printed more data from our trip to the Advanced Light Source earlier this year using only open source software.  We ended up with an approximately 5 cm model of an eggshell printed from scan data from an original sample that was a few millimeters long.



reconstructed data on computer















Why an eggshell?  Well, here is the abstract from the student group whose experiment involved the eggshell:

We at the Black Pine Circle Scientific Studies Division, want to scan an eggshell. Pores on the surface of the shell allow air and moisture to go through. A larger, 3D-model will provide tactile information. Designs may be made to create new housing materials, for hot, humid places. We will be beaming hard X-rays through the sample from various angles, giving us a computer model, which can be 3D-printed. This information can be studied for housing materials, to create a new type of ultra-modern house that literally breathes in places with moisture buildup.

Besides, eggshells are pretty fascinating!  Scientists have known for a long time that the chicken eggshell is 95-97% calcium carbonate crystals, but it wasn't until the electron microscope came around that they discovered, "Rather than simple layers of crystals of calcium carbonate, the shell was shown to consist of a very complex type of mineral formation, with a protein matrix as its foundation."  (journal article, and perhaps way more detail than you will ever need about eggshells!)



Definitely check out 0:34 - 0:50 in the video below



Our printed inventory now totals:
  • v.1 beetle bean scan
  • v.1 eggshell scan




UPDATE 6.23.14:  OUr eggshell scan has been cleaned up and made available on Thingiverse, if you'd like to download and print your own!


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