Blender boolean subtraction not rendering in Cura 3d

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I am trying to make a simple 3d object to print out on my 3d printer using Blender.

I have succeeded in creating what I want in Blender, which is essentially a platform 100mm x 120mm x 15mm with an inset trough of 10mm depth this leaving a 10mm border around the trough.

Looks spot on in Blender.

I have removed the inset object and checked that it looks ok.

Then I export it to an STL and open it in Cura 3D and I just get a solid platform, it's like it has ignored the boolean subtraction.

What am I doing wrong? Edit : Apply Modifiers is ticked.

blender
1 Answers

In the boolean modifier tab you should be able to see a little down arrow to the left of the "X" button above difference (see first picture). When you click the drop down button, you should see a button that says apply(see second picture. When you hit apply it will apply the modifier and you will see the boolean modifier disappear and be good to remove the other object used in the modifier (pictures 3 & 4)

Picture of the location of the drop down button

Picture of the drop down menu

Modifier Goes away

Finished product with Difference modifier

user_108607860
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