Build guide
Build two Tinkercad designs step by step, with a screenshot of every important step.
Pages
HLO: test-tube rack
Build the test-tube rack for 4 tubes step by step in Tinkercad, with a screenshot of every important step.
ELECTRO: battery holder
Build the holder for a 9 V battery, with a lid, step by step in Tinkercad, with screenshots.