M.C.Escher's Relativity-CAM

Introduction: M.C.Escher's Relativity-CAM

I want to create a 10x10x10 cube sculpture inspired by M.C. Escher's Relativity.

Step 1: First Fail

I built the first model in Fusion directly. During the face-1 step, the tool head is not from top-down direction. And I realized that the XYZ axis was wrong. Meanwhile, I am not very satisfied with the design, so I move to Rhino for step 2.

Step 2: Second Fail

In the second model, I made a mistake. I place stairs in the middle of the opening, which is not possible to CAM.

Step 3: Third Fail

In the third design, my approach is using the boolean difference from outside for the desired outcome. This way, I can make sure there is no overhang element.

I save the 3D file as STL, and import it to Fusion.

The facing simulation is smooth. However, for 2D adaptive clearing, I could not select the pocket as shown in the pink model. So, I cover the mesh to brep, as shown in the black model in the next step

Step 4: Last Fail

My problem is, I need to select every signle face in one pocket. I think it is because the model is covered from the mesh stl model. I don't know how to solve this issue yet.

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