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Does this piece printable ?

Posted: Sat Aug 25, 2018 5:24 am
by Viald
Hello.
I'm wondering if this piece is printable without support ?
Image 561.jpg
I tried different S3D settings without success, each time S3D is printing in void starting from the second layer.
Image 558.jpg
The piece looks like this from the bottom view
Image 560.jpg

Thanks for your help.

Re: Does this piece printable ?

Posted: Sat Aug 25, 2018 11:10 am
by dkightley
You've answered your own question.

If the extruder is printing in free space then it needs support.

Re: Does this piece printable ?

Posted: Sun Aug 26, 2018 3:53 am
by Viald
Thank you for your reply.
I hoped that S3D will be able to start printing inside before printing the edge.
As you can see below, it's not really free space, it's a conical shape.
Image 562.jpg

Re: Does this piece printable ?

Posted: Sun Aug 26, 2018 2:44 pm
by horst.w
You are printing with only one perimeter, that never can be successful. You need the overlap of perimeters to win height. And it seems you are printing the Outside - Inside direction (menue Layer) because the second layer needs a bridge. Where do you think the inside perimeter of the 2nd layer can be fixed?

Its the same problem when printing a sphere, the pitch of the conical shape is to flat for the first layers.

Regards
horst.w
GER

Re: Does this piece printable ?

Posted: Mon Aug 27, 2018 9:09 am
by Viald
Understood. Thank you all.