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- Open STL, OBJ, 3MF, PLY and GLB files on your phone, turn the model, and check its size and volume.
Open STL, OBJ, 3MF, PLY and GLB files. Turn the model, check size and volume.
Look at a 3D model on your phone without a computer. 3D Model Viewer opens STL, OBJ, 3MF, PLY and GLB files right away, lets you turn and zoom the model, and shows its size, surface area and volume. ■ Open - STL (binary and text), OBJ, 3MF, PLY and GLB files. - Large models with over a million triangles open at full detail (the limit depends on the phone's memory). - Pick a file in the app, open it from your file manager, or share it to the app. - The type is read from the file itself, so a file with the wrong extension still opens. - No account, no upload. The model opens right away. ■ Look - Drag to turn, pinch to zoom, drag with two fingers to move. Double tap to fit. - Jump to the front, back, left, right, top, bottom or an angled view. - Turn on a floor grid and a size box, or switch to a dark background. - Colors saved in 3MF, PLY, OBJ and GLB files are shown. ■ Measure - Width, depth and height of the model. - Surface area and volume, with cm³ for 3D printing. - Units are read from 3MF and GLB files. For STL, OBJ and PLY files, which do not store units, read the numbers as millimeters or inches. - Triangle count, file size and format details. ■ Save and share - Save the model as you see it as a PNG (with a transparent background if you like) or JPG. - Choose 1080, 2048 or 4096 pixels on the long side. - Share the image to any app you choose. ■ Your files - Models are opened and drawn only on your phone. They are never uploaded. - The app does not ask for storage permission. It reads only the files you open. - Google services process device information for ads and app usage statistics. See the privacy policy for details. ■ Good to know - Textures, animation and separate material files (.mtl) are not shown. OBJ models are shown in one color. - glTF models that need other files next to them, and models with Draco mesh compression, cannot be opened. Export them as a single GLB file without compression. - Volume is only correct for closed models with no holes. - The app views models. It does not edit or slice them.