useless support towers and free floating support interfaces using built-in profile
 
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Blargedy
(@blargedy)
Active Member
useless support towers and free floating support interfaces using built-in profile

I am printing some things on the default 0.15mm QUALITY profile with supports everywhere and brim. I am using PrusaSlicer-2.2.0. When I look at the print preview there are support towers that are just free standing and support nothing, support material interfaces that are being printed in mid air and some on the very top of the pieces. These stray lines probably won't cause a print failure but definitely add some artifacts or frayed pieces. What do I need to change to remove these problems?

Any help would be appreciated. Thanks in advance for your time. 

"Project files are in the second comment 

2020-09-12-07_02_45-Window.png

-Berni

Edited by Joan.T

 

This topic was modified 4 years ago by Blargedy
Posted : 12/09/2020 12:13 pm
jsw
 jsw
(@jsw)
Famed Member
RE: useless support towers and free floating support interfaces using built-in profile

Unfortunately the photos come up blank on my machine and I don't see an attachment.  You will have to zip your .stl or project files in order for the attachments to work here.

Posted : 12/09/2020 12:47 pm
Blargedy
(@blargedy)
Active Member
Topic starter answered:
RE: useless support towers and free floating support interfaces using built-in profile

Thanks for the heads up. Unfortunately I am no longer able to edit my post, so I've messaged a mod asking them to edit it for me. 

Files are attached below.

-Berni

Attachment removed
This post was modified 4 years ago 2 times by Blargedy
Posted : 12/09/2020 1:01 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: useless support towers and free floating support interfaces using built-in profile

Hi Berni, 
I think I have edited the files as per your request

have you tried something like this? 

RearSight

What gun is the sight for? 

have you had to change the original geometry? 

I have just made some shims for my shotgun! the stock was too low... 

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Posted : 12/09/2020 3:11 pm
jsw
 jsw
(@jsw)
Famed Member
RE: useless support towers and free floating support interfaces using built-in profile

I get those free-standing supports too, but a simple support blocker got rid of it.  I have no clue why the slicer generated that.

Posted : 12/09/2020 3:16 pm
Blargedy
(@blargedy)
Active Member
Topic starter answered:
RE: useless support towers and free floating support interfaces using built-in profile

I changed  parameters to make prints as strong as possible, and one or more of those settings got rid of the useless towers and free floating interfaces. I don't know which one. 

I have not considered printing it diagonal. I am not sure of the best orientation to avoid snapping delicate parts, but I'm going to print it in polycarbonate so that will hopefully be strong enough not to snap on use. 

The sights are for a hi-capa, which is an airsoft gun based on the 2011 pistol family. I am printing it for a fellow airsofter I play with. 

 

-Berni

Posted : 13/09/2020 6:54 am
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