Week 4 3D Scanning and 3D printing

3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a thinly sliced horizontal cross-section of the eventual object. 3D printing is the opposite of subtractive manufacturing which is cutting out / hollowing out a piece of metal or plastic with for instance a milling machine. 3D printing enables you to produce complex (functional) shapes using less material than traditional manufacturing methods. To print with a 3D Printer first you have to create a 3D model in your computer. This digital design is for instance a CAD (Computer Aided Design) file. A 3D model is either created from the ground up with 3 modeling software or based on data generated with a 3D scanner. With a 3D scanner you’re able to create a digital copy of an object

Source: https://3dprinting.com/what-is-3d-printing/

Source 3D printer picure: http://www.designtos.com/post_cad-software-for-3d-printing_186738/

First, a body is created in the program Fusion 360 °. The following pictures show the progress of the process

To create this follow the instructions: First we need to create the single bodys

The body must first be divided by a line before it can be shared. As a tool, the line must be selected to divide the body. The body has to be split because otherwise it can not be printed later in the 3D printer. The pictures can be zoomed

This is what the finished body to pirnt looks like The file must be saved as STL file to open later in Cura. Explanation about Cura is given below.

Cura is a program where you can insert the STL file to print it in 3D ducker. All you need to do is pull the two individual bodysuits into the program. They then appear arbitrarily in the program and still have to be aligned. You can use the arrows (red / blue / green) to correctly position the two bodies

Then we determined the material in my model it is PLA and 0,6 mm the size to be selected depends on 3D-printer and is specified on it. It is important to remember the name of the file on the SD card is gespreichert because you have to select them later on the 3D printer. In my case it is UM2_Body2 I select the PLA in Silver

Here the file in the 3D printer is selected and it can be started with the print.

How the printer works development process:

And the finished product. The task was to develop a model that holds itself together to give, for example, people who have no arm a way to change tools. This means that one side of the model can be pulled over the arm like a cuff. On the other side different tools like a pizza roller, knives, hoes etc. can be attached. Through the model you can exchange the tools individually.