This is a design of a test tube rack for the challenge mission provided to us. The test tube rack would seem very helpful in the mission, being because there may not be enough room to store all the test tubes when we have collected or either experimented with Mar’s material. So with that said, once you store the products in the test tubes and not have enough room you can 3D print test tube racks and write on the racks to label them to certain groups to not get confused among other test tubes.

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