Welcome back to our page!
This week, we covered on 3D Printing. The more industrial term for it is digital fabrication. Digital fabrication enables a person to create any and all products easily, with a plethora of customisations for their needs.
There are two main methods of 3D Printing, Additive and Subtractive.
Additive is where the product is created from its bottom until its top, whereas Subtractive is to remove from a block of material to create the product. Additive has been more lucrative due to its material efficiency compared to Subtractive methods, as less is wasted to create the product, leading to cheaper costs.
3D Printing is one of the many ways of creating one's product, and the process of designing and manufacturing for 3D printed products is really easy. It follows:
1) Creation of product design through CADD software such as Fusion 360, our software that we use.
2) Saving the design as an STL file, which allows it to capture the basic geometry of the three-dimensional product. This feature is usually built in the CADD software, however converters such as autoCADD can change OBJ files (more complex type of STL files) to STL files.
3) Using a slicer such as Cura to adjust the physical parameters during printing such as infill, orientation, size and colour.
4) Print the desired product onto the 3D Printer!
After learning the ins and outs of 3D Printing, it was time for us to do peer teaching. We were tasked to find out the various materials used for Fused Deposition Modeling (FDM) printing, a type of additive method, and why these materials are desirable for this method. We then compared the material's good and bad, to give our friends how it could be applied. Here are our slides!
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