HD Test Tube Rack
by PropellerScience, published
While seven holes might seem odd, it was originally meant to be the bottom of a two tier rack for an even dozen tubes, but I didn't like the way it looked. On the positive side seven tubes are just enough to spell ROY G. BIV.
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I have found that the best ABS glue container are old nail polish bottles, as they have also the small brush to apply the glue :)
the test tube rack though is superb for my tubes :)
Â Except for the labels on each one I think these would work.
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I printed mine in natural PLA with 10% infill, and no supports were needed. The temp. was 220C with .27mm layer. Hood and front panel off. Fingers crossed.
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