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Quick Guide:
- Download a 3D file from thingiverse.com
- Download Cura slicing software
- Open Cura and set your printer (we have the following printers at the Makerspace: Prusa i3, Makerbot Dual, Printrbot)
- Set your temperatures according to the plastic you plan to use (PLA: Nozzle 210°C, Bed 50°C; ABS: Nozzle 240°C, Bed 90°C)
- Set the nozzle size according to your print objective (we use 0.4mm and 0.8mm)
- Set your layer height (0.1mm high res, 0.35 low res)
- look at the estimated print time, and see if you want to change the scale or print speed accordingly.
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So you want to learn about 3D printing? Cool! 3D printing is an additive manufacturing process that creates a physical product out of a digital model. We use FDM printers because they are cheaper and more accessible. The process:
- The easiest way to get printing is to download a model from thingiverse.com, youmagine or grabcad you can even customise some items on the website.
- You will need to save an STL file, Import it into a slicing program like Cura (easy), Makerware (makerbot only), repetier host (intermediate) or Slic3r (advanced). Customise the settings for your print (temperatures, material types, speeds etc)
- Export the “gcode” file which the 3D printer you are using understands.
- Print: (you can use a service like 3Dhubs if you don’t have your own 3D printer, you won’t need to slice the model)
Take it to the next level:
Create your own part.
- You will need to draw/design a 3D model in modelling software. We use opensource/free software like tinkercad, Sketchup (and SDL Plugins), 123D design, 123D catch (on your smartphone), Blender. If you are a digital pro, then you already know how to use something expensive and powerful like cinema 4D, maya, Solidworks, Inventor, ProE, catia etc.
- Once you’ve made the part, save the model into an STL or OBJ file type.
- (optional step) Then you should check your STL file before going further to save yourself hours of frustration. Use a free service like Netfabb or willit3Dprint.
- wait (3D printing takes a long time – the printer builds the model literally 0.1mm at a time)
- Enjoy your creation!
- Repeat.
3D printing materials: FDM 3D printers melt a plastic filament usually made of ABS or PLA and squeeze the molten plastic through a thin nozzle (0.2-0.5mm). The print head moves around squeezing out the plastic like a toothpaste tubeThink about which Plastic you want to use. more background reading: wikipedia on 3D printing 3D printing: whats all the fuss about REPRAP detailed beginners guide to 3D printing
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