[OpenSCAD] STL triangles inside a cube
Frank van der Hulst
drifter.frank at gmail.com
Thu Sep 13 19:14:46 EDT 2018
FreeCAD also has a mesh analyser/repairer which finds different faults from
those that Meshmixer finds.
On Fri, 14 Sep 2018, 09:43 fred_dot_u, <fred_dot_u at yahoo.com> wrote:
> If the outside of the car body is one contiguous surface, (or even if it
> isn't), you might be able to use Meshmixer to perform the task.
> One feature of Meshmixer is Analysis/Inspector which will look for manifold
> failures and attempt to correct them. I suggest using the Edit/Plane Cut
> feature to chop your model in pieces, then use Inspector to correct errors
> of the individual parts. Within the Plane Cut feature, the default option
> to close the sliced faces, providing an effectively solid part for 3D
> When using Plane Cut, the program automatically sets the cutting plane at
> the midpoint of the body. This can be advantageous, but it also gives you
> idea where your cuts will be relative to the entire model. Use
> Analysis/Dimensions to see the overall size of the model, which then gives
> you a better idea where to place your cuts.
> Within the Plane Cut option, holding the mouse button on a transform arrow,
> then pressing the up and down arrows will change the scale resolution from
> the initial coarse spacing to even more coarse or much finer spacing,
> allowing for 0.1 millimeter positioning.
> You can keep or discard the "cut-off" pieces. I suggest that you use the
> keep option and perform the desired cuts. Once cut, use the Edit/Separate
> Shells to segment the sliced parts. This will present you with the object
> browser and you can use the eyeball icon to vanish individual pieces.
> Another feature inherent to Meshmixer is that you export the parts by
> selecting each one in turn. The export defaults to only the selected part,
> unless changed in the preferences. Having the entire model exported as a
> whole is useful if different materials or colors are to be used in the
> Additionally, the position relative to the origin of each part exported
> remains in the saved file. This will cause a drop to the bed when sliced,
> some slicers. It may be necessary to perform rotation on those parts to
> ensure you have a flat part on the bed.
> Sent from: http://forum.openscad.org/
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> Discuss at lists.openscad.org
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