Why does my ribbed lattice have extra ribs?

Issue:

I created a ribbed lattice, but it added extra extrusions that are either flipped, intersecting, or reach beyond the part. How do I get rid of this?

Applies to:

  • Lattices

Cause:

This can occur when you use an Implicit body as the Direction of the Ribbed Lattice block. 

extra_ribs.jpg

Solution:

To fix this, use the field direction of the surface instead of the body

If you started from a CAD Body: 

    • Convert just the outer CAD surface into an Implicit Body
    • Use this part as the Direction

If you started from a Mesh or Implicit Body

    • Convert the part to a mesh (if starting from CAD)
    • Use the Filter Mesh by Flood fill block and select the outer surface
    • Convert the outer surface into an Implicit body
    • Use this part as the Direction

trimmed_ribs.jpg

More on this topic:

Keywords:

 intersect surface field lattice body lattices beams issue extra direction intersecting ribbed ribs 
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