STL Carving

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STL Carving

Postby Ms Wolffie » Tue Nov 06, 2018 5:52 am

Haven't been here much lately.
I am trying to carve an STL file.
Let's say it is a plate.
Instead of laying nicely horizontally on the tabletop, this model insists on standing vertically with the zero plane cutting through the middle.
I have tries everything I know the get the darned thing to lay horizontally on the zero plane but then it insists on being upside down so flat bottom is the top and the carved part is the bottom.
my new machine is not very good at carving bottoms up, I only have 3 axes.
What am I doing wrong, please?

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Re: STL Carving

Postby LittleGreyMan » Tue Nov 06, 2018 8:03 am

Ms Wolffie wrote:my new machine is not very good at carving bottoms up, I only have 3 axes.

I don't see the issue. As you're in Australia, for me the model has the right orientation. :wink:

If I remember correctly, there's a Vectric video tutorial for importing stl. Probably the best way to answer your questions. Did you have a look?
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Re: STL Carving

Postby mezalick » Tue Nov 06, 2018 8:21 am

Did you try the different orientation positions ?

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Re: STL Carving

Postby RebeccaJ » Tue Nov 06, 2018 9:16 am

Hi Wolffie,

This video might help you: ... kmarks=stl it walks through all the options in the orient 3D model form.

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Re: STL Carving

Postby adze_cnc » Tue Nov 06, 2018 5:34 pm

Ms Wolffie wrote:this model insists on standing vertically with the zero plane cutting through the middle.

Ah! I expect that model is from either Solidworks or Fusion 360. For whatever reason these programs insist that the Y-axis is up/down contrary to just about everyone else. I am continually rotating students' models by 90 degrees when I get them from them.

The funny thing, though, is that I could tell the people who wrote the photo-rendering portion of Solidworks were not the ones who wrote the modelling code. Why? Shadows for objects would appear "on the wall". Showing that the rendering guys knew that Z was up/down.
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