Reduce .STL or .OBJ File Size Using Blender
If you need to reduce the file size of your STL or .OBJ file, we show you how using Blender, a free program. This is important on Pinshape, since there is a 50MB size limit on uploaded design files.
Download blender at http://www.blender.org/
Upload your design files to sell as 3D printable creations on Pinshape at https://pinshape.com/items/new