Printing as a solid when it should have an open top

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RodB
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Printing as a solid when it should have an open top

Post by RodB »

Good Day

Having designed my first 3D print in sketchup I tried to do a 3D print.

It started fine until it got to the top then it printed as a solid.

I have saved the file in Cura the only option of extension is *.3mf which I cant attach here
Lez0
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Re: Printing as a solid when it should have an open top

Post by Lez0 »

If you could send an image of the file you are trying to print as well that would help.
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Roberts_Clif
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Re: Printing as a solid when it should have an open top

Post by Roberts_Clif »

RodB wrote: April 21st, 2020, 4:01 am I have saved the file in Cura the only option of extension is *.3mf which I cant attach here
7-Zip is a free program you can select the files to zip then attach them.
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Re: Printing as a solid when it should have an open top

Post by RodB »

Roberts_Clif wrote: April 21st, 2020, 4:40 pm
RodB wrote: April 21st, 2020, 4:01 am I have saved the file in Cura the only option of extension is *.3mf which I cant attach here
7-Zip is a free program you can select the files to zip then attach them.
Good Day I have attached the ZIP file and I have also included a picture in Cura
Attachments
Cylinder.jpg
Cylinder.zip
(58.84 KiB) Downloaded 270 times
RodB
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Re: Printing as a solid when it should have an open top

Post by RodB »

Lez0 wrote: April 21st, 2020, 4:35 am If you could send an image of the file you are trying to print as well that would help.
Good Day I have attached the ZIP file and I have also included a picture in Cura
Attachments
Cylinder.jpg
Cylinder.zip
(58.84 KiB) Downloaded 267 times
Lez0
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Re: Printing as a solid when it should have an open top

Post by Lez0 »

What does it look like in Cura if you select preview from the menu above the part.
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Re: Printing as a solid when it should have an open top

Post by Roberts_Clif »

I tried it looks like a solid.
Tried to convert it but seems to get Distorted in every program used...

One Slicer I used had 4 separate parts to create model and was massively oversized.

Slicer auto sized to fit then by Reducing 4 separate parts to 2% original to view and see what I had.
Outer shell of the Cube and Inter Shell of the Cube
Outer shell of the Cylinder and inter Shell of the Cylinder
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Re: Printing as a solid when it should have an open top

Post by RodB »

Roberts_Clif wrote: April 22nd, 2020, 3:10 pm I tried it looks like a solid.
Tried to convert it but seems to get Distorted in every program used...

One Slicer I used had 4 separate parts to create model and was massively oversized.

Slicer auto sized to fit then by Reducing 4 separate parts to 2% original to view and see what I had.
Outer shell of the Cube and Inter Shell of the Cube
Outer shell of the Cylinder and inter Shell of the Cylinder
It was the first project I drew in sketchup, it was also the first time i used sketch up so it was a total learning curve. I drew it 20 x 20 meteres and then scaled it down. I am trying everything first before asking so I can learn. I suspect i need to go back to Sketch up and start again
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Re: Printing as a solid when it should have an open top

Post by Roberts_Clif »

I started learning using an online Modeler called TinkerCad.
Then jumped in learning the Free for Hobbyist/Personal use Fusion 360.

Fusion 360 a great Program thou not knowing CAD, I was jumping from Fusion 360 to You-Tube Videos learning,
As I went and my first Project turned out fairly nice See Below.
New Case Layout.jpg
Blue Case.jpg
So Keep plugging away you will learn to model using Sketchup
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Re: Printing as a solid when it should have an open top

Post by GrueMaster »

I loaded this in Cura 4.5 and messed around a bit. Initially when sliced, it had infill throughout, including the cylinder, so yes it is printing as a solid. When I dropped infill to 0%, the layers look ok until 101 where it starts covering the top.

Definitely a Sketchup issue. I had similar issues the first time I created something in OpenSCAD (which uses a scripting language to define objects).

Good luck.
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Re: Printing as a solid when it should have an open top

Post by LePaul »

Cura 4.6 just came out...wonder if that helps
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Re: Printing as a solid when it should have an open top

Post by RodB »

Thank you everyone for your assistance, I am going to try and try again using all the advice given so that I get it right
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Roberts_Clif
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Re: Printing as a solid when it should have an open top

Post by Roberts_Clif »

Need Help Post,

Try to Explain what you want we will try to help>
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Re: Printing as a solid when it should have an open top

Post by RodB »

Roberts_Clif wrote: April 26th, 2020, 7:41 am Need Help Post,

Try to Explain what you want we will try to help>
I did a drawing in Sketchup and I think its all wrong and need to possibly go back to sketchup and try and find out how to do the design properly. I am really struggeling to understand sketchup.

Woodworking is a Hobby of mine and I turn Pens, I want to make a 3D resin mold.

I did one section to learn and there seems to be multiple things I have not grasped.

Is there a simpler software than sketchup to learn? For designing 3D prints.
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Re: Printing as a solid when it should have an open top

Post by Lez0 »

Hi Rob
Tinkercad is popular also fusion 360, both are free.
Another is Onshape, also free but you can pay for extra features on a monthly basis.
It all depends on how complicated your parts will be.
I know sketchup has it's limitations.
Try Tinkercad to start with, anything you learn there you will be able to use in other CAD systems.
Good luck.
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