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Print a Thing works with STL files, a universal format supported by most 3D software packages. While we run all models through several error-correcting processes, your file should be manifold (aka “watertight”) in order for it to convey a true solid object. If the design is not manifold, our algorithms will do our best to guess what you intended. Your mileage may vary for non-manifold STL files.

Some free tools that can export STL files include:

• tinkercad.com
• 3dtin.com
• Sketchup
• OpenSCAD
• Wings3D
• Blender
• POV-ray
• FreeCAD
• HeeksCAD
• Art of Illusion

Thousands of ready-to-print objects can be found at Thingiverse .

At this moment you can specify material type, color, and infill.

Each layer of a given object is going to be divided into two parts: shells and infill. The shells, also known as perimeters, are extruded outlines defining the shape of the layer. Extra shells strengthen objects. Infill is what happens in the space left over. More infill will make an object stronger. Less will make it lighter and quicker to build.

Before you order something, think about how much infill it will actually need. Objects for display often won't need more than 10% infill, while even objects that are going to see hard use rarely need more than 80% infill. Not using more infill than necessary will help you save time and plastic

To ensure you get the best product at the best price, we match your needs within our online marketplace of printers.

If the part you receive suggests that one of our suppliers needs to improve, please contact Print a Thing, mail the part to us, and we will provide a full refund.