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Why won't this shell?

simon_anderson820simon_anderson820 Member Posts: 7 ✭
in Community Support

I'm trying to shell this part with a 1mm wall thickness. Before I unioned the parts, I could get a 2.5mm shell… but nothing smaller. I listened to the onshape you tube which said "check the smallest radius is bigger than your shell thickness" er, I guess that's where my problem is? But radius of what? I don't really get what this radius map is telling me… or why there's a single point with a "radius" of 10,000,000 🤔

https://cad.onshape.com/documents/44d621b678fc7e3dde466956/w/c6c68a8716bd99b8ffe74cf4/e/acca21f00e6ad11cf9af7b01?renderMode=0&uiState=68ecd0aa63713aa44b1202e7

image.png

Best Answers

  • MDesignMDesign Member Posts: 1,139 PRO
    Answer ✓
    image.png

    Have a look at your sketch 5 in the center of the flat area

  • simon_anderson820simon_anderson820 Member Posts: 7 ✭
    edited October 13 Answer ✓

    Thanks everyone much appreciated!!

Answers

  • MDesignMDesign Member Posts: 1,139 PRO
    Answer ✓
    image.png

    Have a look at your sketch 5 in the center of the flat area

  • Derek_Van_Allen_BDDerek_Van_Allen_BD Member Posts: 271 PRO

    Yeah Sketch 5 needs to get its act together and align itself with the intersection point in Angle Town. There's a .01mm radius resulting from the revolve because of the misalignment which the shell operation is trying to offset and resolve.

  • MDesignMDesign Member Posts: 1,139 PRO

    Seems there is another issue as that transition is causing some heartburn for onshape.

  • MDesignMDesign Member Posts: 1,139 PRO
    edited October 13
    image.png

    Setting Loft 1 end profile condition to normal to profile will clear it up

  • simon_anderson820simon_anderson820 Member Posts: 7 ✭
    edited October 13 Answer ✓

    Thanks everyone much appreciated!!

  • simon_anderson820simon_anderson820 Member Posts: 7 ✭

    OK I officially love onshape… I'm mid transition from tinkercad: onshape is quite frustrating to learn but very satisfying to get right… A beautiful piece of software. Have taken feedback above, kinda redid most things and it's now perfect. This part in particular was actually a great learning excersise: I recommend it for anyone starting out like me! I wouldn't trust that I did everything the most sensible way but… just look at it! Beautiful! :D Ironically I don't think it's really feasable to 3d print so I'm going to remove the dog leg all together but never mind haha (PS it's a water intake for an RC boat project… sits underneath the hull)

    image.png
  • MDesignMDesign Member Posts: 1,139 PRO

    👏💪 Congrats. If you haven't seen learn.onshape.com, check it out for a way to jump-start your learning curve

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