DNA Test Tube Holder
thingiverse
A Microcentrifuge test tube holder shaped like a DNA molecule. This holder securely holds 10 tubes in place. The base has a diameter of four inches and the holder stands at six inches tall. Instructions Assemble the ladder's rungs by printing them separately and then sliding them into the slots in each strand. To provide extra stability to the entire assembly, I decided to use super glue on the rungs after inserting them into their respective places in the ladder. It took roughly fifteen minutes to print each rung, whereas each strand required approximately ten hours to print completely.
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