Subtract Shape...Simple Solution?

Subtract Shape...Simple Solution?

Postby studioarts » Sun Oct 30, 2016 2:55 pm

I am trying to model the skin of an internally illuminated sign that requires up to 296 circular cut-outs in the skin. I have used the solid tools "subtract" function which only addresses one cut-out at at a time and by the time I got to what you see in the attached image, it takes 30-40 seconds per application and does not always work as evidenced by the random odd pucks still showing in the cut-out area.

Trying to select all and subtract locks up the program. The computer is an i7 HP with Nvidia GeForce GTX 750 Ti grahics card so I don't think its that - but could be I need more RAM.
Thoughts? Suggestions? Plugins?
Pylon Model_Temp_3.png
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Re: Subtract Shape...Simple Solution?

Postby cotty » Sun Oct 30, 2016 3:16 pm

I would start with a much smaller part and use a repeated copy of a component here...

296holes.JPG
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Re: Subtract Shape...Simple Solution?

Postby studioarts » Sun Oct 30, 2016 3:59 pm

Great idea - and it worked smoothly until I exploded all 37 components to eliminate the lines between each and it has locked up again. Did you just hide the join lines?
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Re: Subtract Shape...Simple Solution?

Postby studioarts » Sun Oct 30, 2016 4:23 pm

I hid the top/bottom lines -works fine. Thanks for the help.
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Re: Subtract Shape...Simple Solution?

Postby cotty » Sun Oct 30, 2016 5:58 pm

If you modeled the component as a solid, you can combine them with one click with the solid tools...

holessolid.gif
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Re: Subtract Shape...Simple Solution?

Postby studioarts » Sun Oct 30, 2016 6:10 pm

Good to know - thank you.
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Re: Subtract Shape...Simple Solution?

Postby studioarts » Tue Nov 01, 2016 3:42 am

Ok, SU says that the "skin" model is not a solid ( true I guess as it is made up of 30+ components - none of which SU thinks are solids). Question is this: can the "non-solid be converted to a solid or would any latent straggler geometry make that a no-go?

Next I need to subtract the multi-piece letters from the skin. Solid Tools not working due to the "solid" issue...thoughts?

I made the skin from a very clean 300 segment circle with simple square tube cuts at the side reveals - should be very clean.
Final Skin Model.png
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Re: Subtract Shape...Simple Solution?

Postby pilou » Tue Nov 01, 2016 4:06 am

For boolean operations and for 3D Print you must have real "solid"!

Use Solid Inspector by Thomthom & Solid Solver by TIG for repare your volumes! ;)
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Re: Subtract Shape...Simple Solution?

Postby studioarts » Tue Nov 01, 2016 4:14 am

Thank you - I will try these in the morning.
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