Inventor General Discussion

Inventor General Discussion

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Member
g.lawson
Posts: 5
Registered: ‎09-18-2009
Message 1 of 10 (2,357 Views)
Accepted Solution

Exporting to STL files

2357 Views, 9 Replies
06-06-2012 03:50 AM

When I export from Inventor professional to an STL file for 3D printing. Everything exports ok exept threads. I have a model with M10 and M4 threads which never show on the STL file. Is there an option I need to tick to make sure they convert?

 

Thanks for any help

 

Cheers

George

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Cadmanto
Posts: 3,244
Registered: ‎12-07-2011
Message 2 of 10 (2,352 Views)

Re: Exporting to STL files

06-06-2012 03:58 AM in reply to: g.lawson

George,

Welcome to the forum.

Are you creating the threads as real threads or as cosmetic?  If they are just cosmetic threads then they are for on screen appearance only. Kind of like textures and colors.

Best Regards,
Scott McFadden
Inventor Professional 2013
(Colossians 3:23-25)

Member
g.lawson
Posts: 5
Registered: ‎09-18-2009
Message 3 of 10 (2,341 Views)

Re: Exporting to STL files

06-06-2012 05:32 AM in reply to: g.lawson

Hi

 

many thanks for your help.

 

They are real threads for bolt holes.

 

Cheers

George

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sam_m
Posts: 598
Registered: ‎11-05-2003
Message 4 of 10 (2,342 Views)

Re: Exporting to STL files

06-06-2012 05:43 AM in reply to: g.lawson

i think, what he means is - how have you made these threads?

 

if it's with the hole/thread tool then all you see is a cosmetic thread in Inventor as a texture - if this is exported to a stl/stp/igs/etc it will only show a hole of the nominal diameter (depending the options set).

 

The only way to export a thread in a stl is to actually model it with a coil cutting the profile down the hole - is this what you have done? 

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Member
g.lawson
Posts: 5
Registered: ‎09-18-2009
Message 5 of 10 (2,335 Views)

Re: Exporting to STL files

06-06-2012 05:55 AM in reply to: sam_m

Hi

 

many thanks for your advice.

 

I put the threads in the hole using the thread tool. I will take your advice and try using a coil to cut the threads.

 

Cheers

George

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JDMather
Posts: 26,593
Registered: ‎04-20-2006
Message 6 of 10 (2,320 Views)

Re: Exporting to STL files

06-06-2012 09:06 AM in reply to: g.lawson

g.lawson wrote:

Hi

 

many thanks for your advice.

 

I put the threads in the hole using the thread tool.


 

You should be using the Hole command for threaded holes, not the Thread command.

In any case you need to model the actual theads.

 

Please mark this response as "Accept as Solution" if it answers your question.
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jarr.strydom
Posts: 1
Registered: ‎09-25-2012
Message 7 of 10 (2,204 Views)

Re: Exporting to STL files

09-25-2012 08:41 PM in reply to: g.lawson

Still a little new to the whole program, however I'm trying to 3D print an object and I'm struggling to figure out how to export it as a STL file. Any ideas how to? 

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sam_m
Posts: 598
Registered: ‎11-05-2003
Message 8 of 10 (2,188 Views)

Re: Exporting to STL files

09-26-2012 12:58 AM in reply to: jarr.strydom

You need to do a "Save copy as" to get the full list of filetypes:

"I" logo at top left -> Save as -> Save Copy as

 

(or use Export -> CAD Format)

 

Then use the "save as type" drop-down and select STL :smileywink:

 

remember to check the export options (click the options button on the "save as" dialog) to check you are exporting in the same units as your design, otherwise your print may well come out surprisingly large or small...

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Please mark this response as "Accept as Solution" if it answers your question...
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New Member
connor
Posts: 2
Registered: ‎02-16-2013
Message 9 of 10 (1,612 Views)

Re: Exporting to STL files

04-06-2013 07:06 PM in reply to: g.lawson

Hello!

I made a gear with an inner diameter of .8 inchs. The gear is an IPT and when i export it to an STL, its inner dimension changes to a little more then 2 inches. Why is this and how can i fix it?

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JDMather
Posts: 26,593
Registered: ‎04-20-2006
Message 10 of 10 (1,603 Views)

Re: Exporting to STL files

04-06-2013 09:12 PM in reply to: connor

As indicated in the previous responses in this thread -

post image of your stl Options.

 

and how are you verifying the size of the stl part?

 

stl options.PNG

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