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Rhino


#1

All Iam working with Rhino 1.0 and have just drawn 2 polymesh objects
that I want to export to my brotherinlaws machine shop as stl files
where he can make models for me.My questions are this:How do I
solidify the object?The only way I have been able to make the polymesh
look solid is to use the DRAPE tool but when I go to save it, I click
on save as and it goes back to polymesh and if I try to save it as
polymesh in an stl file it says the object is not solid.Or can I send
the object as polymesh and let my brother inlaw solidify it since he
said he will be scaling it for me? Thanks in advance J Morley Coyote
Ridge Studio


#2

J , you must check to make certin that you do in fact have a closed
solid odject , David


#3

J Morley, What method did you use to create your shapes? Did you
extrude planes or did you work with 3d shapes? If you used a sweep
tool you have to close off planes. If you want to e-mail me I am at
@Sue_Dorman

Sue


#4

Hello,

As I understand, you have created a surface not a solid. To make it
solid you have to “close” the object: Let say the surface you created
is the top surface of the object. create a second surface based on the
one you already have using the OFFSET SURFACE tool. Enter the offset
distance. this distance would be the thickness of the object. A
positive or negative offset distance number will give you different
new surface position (above or under). Then select both surfaces and
use DUPLICATE BORDER to create outline curves of both surfaces. Select
those curves and use SURFACE LOFT to create a surface connecting the 2
others. Now join all the surfaces With JOIN and selecting the surfaces
one by one, or with JOINSRF after you have selected the surfaces. You
should then check for “naked edges” by selecting the solid first and
using SHOWNAKEDEDGES. If there are no neaked edges you can save now
your solid in STL format. If there are naked edges you have to fix
them. Try using Rhino help, it can explain this process better than I
could.

Hope this has helped.

Fady Sawaya
3D jewelry designer

fady@fadysawaya.com
http://www.fadysawaya.com


#5

Just a hint. To make sure you have a closed solid object ( and it
sounds like you do not) zoom in at the intersections of the surfaces
and make sure they share the same point. If they do not then turn on
the control or editing points, depending on the object, and set the
onsnap to point. Now grab one of the points and move it and release
it. It will snap to the other point for a clean intersection. If you
have more than two points intersecting repeat the process until they
all share the same point. Do this for each intersection until they all
of the intersections are reduced to a single point each. When you have
done this then cap the planer holes and you should have a closed
solid. Hope this makes sense. Frank Goss


#6

Dear J:

I think that you will want to use the join tool to create a 3d
object. I am not claiming to be an expert on the subject. If this is
not helpful and you want to ask more questions directly, e-mail me at
@Michael_R_Ruffenach


#7

Dear J: While I do not claim to be an expert at Rhino, I believe that
if you use the join command you will be able to solidify the object,
if you have drawn the object as a 3d object. Rhino will not be able
to create a 3d object if your primitives are all in the same the same
plane. That is if your 2 polymeshes are in the same plane, or do not
join, a 3d object will not be created. I hope that this helpes more
than confuses you. If not, e-mail me at @Michael_R_Ruffenach,


#8

I have been evaluating Rino. It looks like a good program. I wish that
the tools were more intuitive. I found Adobe Illustrator and PhotoShop
easier to learn. But they are only two dimensional.

I’m wondering if there is an open source library for stones or
findings. It would be nice to be able to download some different stone
cuts to experiment with.

Timothy A. Hansen

TAH Handcrafted Jewelry
web-site : www.home.earthlink.net/~tahhandcraft