Magnet Tricks's video: 3D Printed TR-B3 Levitating Toy 4k Magnet Tricks

3D drawing practice project. The TR-3B Astra is the name of a aircraft, speculated to be developed under a black project. Black triangles are a class of unidentified flying object (UFO) with certain common features which have reportedly been observed during the 20th and 21st centuries. Media reports of black triangles originally came from the United States and United Kingdom. Reports generally describe this class of UFOs as large, silent, black triangular objects hovering or slowly cruising at low altitudes over cities and highways. Sightings usually take place at night. These objects are often described as having pulsing colored lights that appear at each corner of the triangle Black triangle UFOs have been claimed to be visible to radar. During the 1989-1990 Belgian UFO wave, two Belgian Air Force F-16s attempted to intercept an object detected by radar, but the pilots did not report seeing an object.