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3DWP
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V5 Raft top infill

So in V5 ''raft top infill'' has disappeared from the Additions/Use Raft tab..

For ABS I had this set to 94%, in V4, how do I set this now?
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zemlin
Posts: 431
Joined: Mon Feb 01, 2016 11:36 am

Re: V5 Raft top infill

That's a significant oversight. I don't use rafts a often, but top layer fill certainly matters.
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3DWP
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Re: V5 Raft top infill

Yes, for one printer this was no issue but for another the raft was too rough. I don't want to use only temperature or extrusion multiplier to change this.

Off topic, a lot of my profiles will not transfer to V5. I tried to manually export and import them and they won't load.

At first I was pleasantly surprised V5 FINALLY dropped but it still appears a bit rushed :o I hope I'm missing something of course because I updated without hesitation but I used the search function, ''raft top infill'' doesn't exist in V5
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msinger
Posts: 1
Joined: Mon Dec 19, 2022 5:16 pm

Re: V5 Raft top infill

It also looks like the Raft Base Layers cannot be set to 0. When I choose 0 and save, it reverts back to 1 each time I revisit that setting to confirm my changes.
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3DWP
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Re: V5 Raft top infill

So is there another way to get this to work? Is there a reason this function is missing?
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gearsawe
Posts: 233
Joined: Sun Sep 10, 2017 11:06 pm

Re: V5 Raft top infill

I don't see a way to adjust this. Think they dropped the ball on this one too.
edit: removed idea how to do this but did not work.
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3DWP
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Re: V5 Raft top infill

Didn't see it in a feature list but does version 5.1 happen to fix this issue?
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RefrigEng
Posts: 1
Joined: Thu Jul 29, 2021 4:04 pm

Re: V5 Raft top infill

I am using Version 5.1.2, and the issue is not fixed. I think it would be good if S3D added the infill % setting back in for the raft. :roll:
I use a FlashForge Creator Pro and print ABS using ABS juice for adhesion on a glass bed. S3D-Version 4 made functional rafts out of the box. I was unable to get Version 5 to make a raft that was well made and not dragged from the bed by the extruder. I think the raft problem was mostly unstable base layers and incomplete top-layer infill. Email exchanges with S3D did not help. I finally tried using Multiple Processes based on Z height to start the print using a higher Extrusion Multiplier. I finally achieved a good raft, and the finish on the bottom of the print was satisfactory.
I use a layer height of 0.2mm, so I used the Multiple Process Wizard to make a change in process at the height of the top of the first layer of the model (0.2mm). Process 1 is used by S3D to print the raft and the first layer of the model. For this process, I set the Extrusion Multiplier to 1.30 with automatic extrusion width. For the raft, I used 1 Base Layer (to reduce height as a moment arm during infill) and 3 Top Layers. I used a separation distance of 0.4mm (up from 0.14 prior) and an above raft speed of 50%. I turned the extruder-mounted fan on 60% at layer 4 to cure the top layer of the raft and reduce adhesion between it and the print. I turned the fan off at layer 6, but I presume this is ignored because layer 6 is the start of process 2.
For process 2, I used the same layer height, an Extrusion Multiplier of 1.00, and turned the fan off at layer 6. Process 2 is the primary process for the rest of the print, so the settings in it are paramount for everything except the raft (and the first layer of the print). I had to be sure I was getting the settings right for each extruder for each process. It was easy to overlook that.
I have attached sample S3D files for inspection, if that helps. This print had a perfect raft and easy separation.
Attachments
Calibration_Cube.x3g
Raft fix included
(555.03 KiB) Downloaded 9 times
Calibration_Cube.gcode
Raft fix included
(520.83 KiB) Downloaded 8 times

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