> ## Documentation Index > Fetch the complete documentation index at: https://help.unrealizex.com/llms.txt > Use this file to discover all available pages before exploring further. # Print export (STL) > Get a printable file from any of your models An STL is what slicers and print services take. UnrealizeX makes one from the **original** model, closes it so it is watertight, and scales it to **150 mm** on its longest side. ## From the viewer Open one of your models and click **Get STL** in the top row. If the model has walls too thin to print at that size, you are told so before the download. ## From Space Open the **Download** menu and pick **STL**. The Download menu with the STL option Need a different size? Scale it in your slicer. The 150 mm export keeps the proportions, so scaling stays true to the object.