Creating 3D Printable Footpad

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Creating 3D Printable Footpad

Postby lmtsketch » Thu Feb 23, 2017 6:35 pm

I have been struggling to create a base that 2 legs will insert into and a place to hook a bungee cord. I am using Sketchup Pro 2017 Solid Tools and SolidInspector2 plugin. I want to insert the 2 smaller, angled cylinders into the round base cylinder. 2 legs will fit into the 2 cylinders. I also want to create a hook by subtracting the torus from the round base.

My attempts have been trimming the 2 small cylinders into the round base and then subtracting the torus. I always lose the solid object of the resultant object. I would appreciate any help.
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Re: Creating 3D Printable Footpad

Postby Rich O Brien » Thu Feb 23, 2017 6:42 pm

Scale the object 100x then do your subtracting.

Afterwards scale it back down 0.01

I would do it to your model but I wasn't entirely sure what was getting added and what was getting removed.
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Re: Creating 3D Printable Footpad

Postby lmtsketch » Thu Feb 23, 2017 7:51 pm

Zooming did help with subtract. The end result should look like the attached image except I was hoping to have bottoms in the 2 inserted cylinders. After the operations I do not end up with a solid.
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Re: Creating 3D Printable Footpad

Postby Rich O Brien » Thu Feb 23, 2017 8:54 pm

Those shape are not going to boolean.

The tube has no end/bottom

The Oval hangs over the edge.

You need to rework the inserts to fit.
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Re: Creating 3D Printable Footpad

Postby lmtsketch » Thu Feb 23, 2017 10:33 pm

I'm not clear what you mean by the "shapes will not boolean". The sub shapes were all solids. (I put tops and bottoms on all of them. I then deleted the tops after trimming. Zooming and ensuring none of the small shapes were touching inside the base worked. The piece is way larger than I want, but it is a start. Thanks for the help.
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Re: Creating 3D Printable Footpad

Postby d12dozr » Fri Feb 24, 2017 2:02 pm

Something like this?
foot base.JPG


You may download the attached SKP file and follow the scenes to see how I did it.
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Re: Creating 3D Printable Footpad

Postby lmtsketch » Sat Feb 25, 2017 3:34 am

I can't recreate your steps. I think I am not doing Scene 3 correctly. Do you explode the pieces and just group the interiors?
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Re: Creating 3D Printable Footpad

Postby lmtsketch » Sat Feb 25, 2017 1:46 pm

OK, after some sleep, I successfully repeated what you did. Even scarier,I understand what you did.

THANKS for the great help!
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Re: Creating 3D Printable Footpad

Postby d12dozr » Sat Feb 25, 2017 1:52 pm

Excellent, glad it helped! :thumb:
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