Modelling in Fusion 360

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For our box modelling we used Fusion 360, which is available free of charge for students, educators, startups and hobbyists.

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Repeat the process described below for each side of the box.

1. Prepare your design

1.1. Select “New design from file” in the file menu to import the IGES file.
1.2. Select the whole part and right click it to select the move function.
1.3. Move the part up and right up and right from the origin point from top view.

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It is important to position your model correctly since the origin will be set in the model origin.

2. Change to the CAM section of Fusion 360

3. Make a new setup

3.1. Click the setup icon on the top of the screen.
3.2. Do the following changes in the first tab:

• Change Orientation to ”Select Z axis/plane and X axis”, than select the top surface of the part so the Z axis points upwards.
• Change Origin to “Model origin”.

3.3. Do the following changes in the second tab:

• Set the Mode to “Fixed size box”.
• Enter the height of your part (6mm).
  3.3. Press OK.

4. Define Contour 2D

4.1. Select “Contour 2D” by clicking the small arrow next to the 2D symbol on top of the screen.
4.2. Select the whole bottom edge of the part.
4.3. In the first tab select the tool (2.5 mm flat mill with 2000 mm/min Cutting feed rate).
4.4. In the fourth tab check the “Multiple depths” box and set the “Maximum roughing stepdown” to 2mm.
4.5. Press OK.

5. Simulate

5.1. Right click setup on the left side of the screen and select “Simulate”.
5.2. Press the start icon on the bottom of the screen to see if the toolpath is set correctly.
5.3. Press Close if your satisfied with the toolpath.

6. Generate G-code

6.1. Again, right click setup and select “Post Process”.
6.2. Set mach3mill.cps – Generic Mach 3Mill in the Post configuration.
6.3. Choose the Output folder on your computer.
6.4. Name the program.
6.5. Set Use G28 to no in the Program settings.
6.6. Press Post.