30mm Test Tube Rack

A simple rack for holding tubes, made on request for someone who needed one for in their fridge (R&D division). The model was 3D printed in PETG. Diameter is 30mm, with bumps to center the tubes to the middle for easy reach and to keep any caps from bumping into eachother. Center to center: 42mm height: 70mm 4x3 rectangular configuration 165mm x 123mm 3D printable without support printed on an Ultimaker 3.

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