Q: Can I Print at a density higher than 33%?Ī: While you can print up to 100%, it is generally never necessary and massively increases the cost.Ī: NO! If we even slightly suspect we are printing a weapon, or parts of a larger weapon, we will cancel the job, and destroy the object if it has already started printing. (Most of the plastic parts inside of the 3D printer are 3D printed at 33%.)
33% is very strong, but pricier, and is best used for object that will see some stress and wear-and-tear. 10% is weaker, but cheaper, and is best used for boxy or display only projects. Generally 20% is standard and is a good mix of economy and strength. Q: What density of infill should I use for printing my object?Ī: Each object is different and staff will advise. STL are turned into a GCODE by using a slicing program such as KISSlicer. GCODEs contain the instructions for how 3D printer must move in order to construct a 3D object.
Most STL files are less than 1000kB.Ī: GCODE stands for G Programming Language and is a commonly used file format for computer automated manufacturing machines such as 3D printers. While the same STL sliced at ART Stock Settings at 20% becomes a 8768kB GCODE. Example: a 10 kB STL file sliced at Mechanical Stock Settings with 20% infill becomes a 4640 kb GCODE. The larger the file the higher chances of error and/or causing the 3D printer’s computer to crash. Art Stock prints out twice as slow, has a greater chance of errors, but the layers are much smoother.Ī: The slicing program can, IN THEORY, handle sizes up to a maximum of 10Mb/10,000kB of STL files per job. Mechanical prints twice as fast, has a lower chance for errors, but the layers are more easily seen on curved surfaces. (Staff will advise.)Ī: The difference between the two settings is that the layer thickness for Art Stock is half that of Mechanical. The more objects you try to print at the same time the greater the chance for errors. Each job can potentially be made up of multiple STL files. (Staff will advise.)Ī: You can submit a maximum of 5 jobs at a time. The more objects you try to print the greater chance for errors. Q: Can I print multiple objects at the same time?Ī: Yes, while it is best to submit every object as a separate STL file, multiple STL files can be loaded on the same print job. (It is the same size as the default workplane in Tinkercad.) STLs are a very compact file and only contain data on the dimensions of an object and nothing else.Ī: The printing area is roughly an 8x8x8 inch cube or around 200x200x200mm. It is a standard file format for CAD (Computer-Added Design) software. Q: How do I submit a job for 3D Printing?Ī: Save your 3D objects as an STL file on a USB flash drive and take it to the Library’s Second Floor Adult Services desk.Ī: STL is short for STereoLithography.
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