Q: Im using PT to produce custom 2d and 3d panels that are often composed of non planar patches or surfaces that are non-developable.  I’m wondering if there is any way to planarise non planar patches, similar to something like the triangulate non planar quad tool in rhino…but without converting to a mesh so it can still be unrolled and fabricated from paper.


Tags: paneling, tools

Views: 1236

Replies to This Discussion

Hi Annie,
 
You have few options to deal with non-planar panels:
 
- If panels are developable (can be unrolled), then ptUnrollFaces or Rhino Unroll command should work.
 
- In a non-developable surfaces, you have 3 options:
  - User Rhino Smash command.  It will depend on the material, but it can be successful in many cases. Please check the help file for details.
  - Use Squish command in "Advanced Flattening" plugin from Rhino Labs.  While you might find it more successful that squish, it also is not guaranteed to work in all cases.  There is the download and documentation:
 
In both of the cases above, you'll need the machines that does the rolling and bending of material.
 
The third solution is to try and create quad (planar)  paneling from your grid by wiggling the grid within some tolerance that the user defines.  The command has an option to triangulate the quad panels that were not successfully made planar within tolerance.  Command name is ptPanelGridQuads.
 
If you already have a surface that you like to triangulate, you need to convert to  mesh first, triangulate, then use Rhino's mesh to nurbs tool to get the nurbs. You need to pay attention to meshing options to get lowest possible rte of triangles.
 
I will write a tool for PanelingTools to triangulate quad panels to simplify the process.

Annie,

Added a new command to PanelingTools called "ptTriangulateFaces" that should do what you need. This will become available when the next Rhino 5.0 WIP is released. 

RSS

Translate

© 2013   Created by McNeel Admin.

Badges  |  Report an Issue  |  Terms of Service