Test tube rack E8Z
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A family of test tube racks of different sizes.
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Model information
- Source
- Printables
- Category
- Chemistry & Biology
- License
- Creative Commons — Attribution — Share Alike
A large number of STL-files is available for racks of different shapes and sizes, for test tubes with a diamater of 15 or 16mm. Two fully parameterized OpenScad scripts can easily be used to produce one of four base models of any desired dimensions and for any test tube. The rack models have either and E shaped profile, or that of and 8 or a Z, hence the name E8Z. Z models can be most compactly stacked and a stack base is availble for that. E models can be nested together in two's or fours and for 8 models a drainer variant is available in which test tubes can be left to dry upside down.
Racks should be printed on their side for the strongest connections. Due to differing layer times, banding can be visible, this can be reduced by printing more than one rack at the same time, reducing print speed and changing other settings, consult your printer's documentation for that.