The file '(Testテスト) Spiral & Slope Test 斜面與螺紋測試組 3D Printer Model' is (STL) file type, size is 3.7MB.
Just try the scale change to test if your machine has extrusion or moving inaccuracy運用螺紋與斜面測試尺寸誤差，測試出組合件所需要調整的比例縮放數值
