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Description
This model was designed for a public science outreach workshop
The aim is to explain, using a puzzle, the different phases observed in a blood collection tube after centrifugation This facilitates explaining how, in a biological analysis laboratory, centrifugation separates the various blood components for analysis, as illustrated below:
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The model includes a base and the various tube components in proportion to the diagram above: the three phases, the empty portion at the top of the tube, and the cap
For the workshop, I created two distinct “Buffy Coat” components:
- one is very thin and adheres to theoretical proportions (layer 8)
- the other is taller (layer 5) and can accommodate several also printed cells (see supplementary cell model)
In addition to the base, you can print the rod (layer 2), but it is quite fragile and suitable only for display If you desire something more robust, I recommend replacing the printed rod with a 40cm long, 5mm diameter (M5) threaded rod, secured with two nuts The small printed washers enhance the finish
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Furthermore, to make the workshop even more engaging and comprehensive, you can print these two models:
- The blood cells to be placed inside the tube:

Matching small drawer boxes to store the cells:

License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.





















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