I have prepared another micro model for you ..
this time it is a very small steamboat. now I'm working on printing and assembling .. I've already tried if the boat's diving is satisfactory and whether the wheels are working without error .. everything went well so that version 1.0 will be uploaded to the public .. I print from PLA .. the wheels need to be cut in half so to print them. in the case of the hull I leave the choice to you I have tried both in the whole and half and more I liked the result of two halves .. good luck