Questions tagged [support-structures]

Questions about techniques or troubleshooting support structures while 3D printing.

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2 votes
3 answers
100 views

How can I test if my model can be 3D printed without having a printer?

This would be my first ever 3D printing I previously worked in Sketchup to generate simple objects, mostly floor plans and various small objects mostly for visualizing and designing things. I am now ...
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3 votes
3 answers
327 views

How to use organic supports in the slicer?

How to use organic supports in PrusaSlicer or Cura? I heard that it is possible, but I can’t find this option in these slicers.
0 votes
0 answers
35 views

How to get PLA to stick to PVA supports

I recently picked up a Tenlog TL-D3 Pro IDEX extrusion seemed fun - and is fun! Spent some time tweaking things so that it would print two-color prints with two different colors of PLA, and got things ...
  • 101
3 votes
3 answers
55 views

Design Considerations for Large Overhangs

When designing for 3d FDM printing, I'm wondering what is best practice for items with large overhangs which cannot have (or would be fairly impractical) support structures. Consider my following ...
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1 vote
0 answers
16 views

0.1 mm layer height print support material always fails to print

Is there any way to increase the layer height of support material separately in Prusaslicer? When I add some supports to a model with 0.1 mm layer height, the support material also generates a smaller ...
0 votes
1 answer
91 views

How would I print a non-flat surface using FDM?

So far, I have only printed with SLS printers. The results were great, but it was such a horrible mess, and precautions took so much time (gas mask, chemistry gloves, etc.) that I am now switching to ...
  • 471
0 votes
0 answers
37 views

Calculate Z-height at a given orientation

Does anyone know a way to calculate the Z-height and support's volume of an object at a specific orientation (specific x, y, z angles)? I am looking for an Equation/s or a Python code/s, not a slicer ...
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3 votes
3 answers
578 views

Layer above support is very rough

I'm attaching a picture to show my issue. I'm hoping might be an easy settings fix, or at least maybe someone has a couple suggestions I can try. I'm using an Ender 3, and the program Cura. The print ...
0 votes
2 answers
33 views

References wanted for designing customized support [closed]

I am interested in references to designs which use a customized support instead of the slicer's default normal/tree support. The background is this: I am making a hubcap with a 3D logo. I do not want ...
3 votes
2 answers
451 views

In Creality slicer, which settings should be adjusted to reduce the contact area between a support and an overhang?

In Creality slicer, which settings would you change to reduce the amount of surface area from the supporting structure that makes contact with overhangs on the model you are printing. For example, if ...
1 vote
0 answers
83 views

Chitubox: Is it possible to place a hollow object flat on the build plate and use internal supports?

I have a bust that I want to print flat on the build plate of an Elegoo resin printer, but I want to place supports inside it without having to add a skate or raft? Is this possible, and if so how
0 votes
0 answers
142 views

Chitubox - Why are some supports show as Green but others are Gray?

In Chitubox, why is it that some supports are highligted green, while others are colored gray? I've checked all of the settings and the green and gray supports seem absolutely identical. The only ...
1 vote
1 answer
36 views

Lower side of print rough on personal protection print

I’m new to 3D printing and printed a few things that came out fine on my Ender 3. But when I print something like a cat protection baton, Kubota self-protection or anything that will have a “floating ...
0 votes
1 answer
1k views

What is the minimum density that could be used for support?

Printing support structures often are really a mess to remove especially with higher densities. The default support density in Cura is 15% that is extremely hard to remove without damaging something, ...
  • 197
0 votes
1 answer
62 views

Why does part of the model come away from supports during print?

I have been trying to print the same dinosaur model for several days and all my attempts have failed in the same place. On every attempt, the tail falls off the supports. Sometimes there is a little ...
0 votes
1 answer
162 views

Are there any mechanisms to determine the optimal contact depth for supports on a Resin printer

I'm having difficulty with pitting\cratering on some of my prints when I remove supports. I've tried several different removal methods, including removing supports prior to curing, soaking my prints ...
2 votes
1 answer
187 views

How thick should I make my walls for stable 3D printing on an Elegoo Saturn?

If I'm printing buildings that are about 2-3 inches high as scenery on my Elegoo Saturn, how thick should I make the walls? We're talking square boxy-type buildings with basic surface details. I don't ...
3 votes
2 answers
126 views

Fill doesn't reach perimeters on supports (Simplify3D)

My Tevo Flash works well. Right now, I'm trying to print a thin, disc-like part on supports. The 3 perimeters at the edge of the disc are OK. The dense fill zigzag pattern makes many U-turns near the ...
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1 vote
2 answers
112 views

3D Print D&D Miniatures delicate supports

Any hints or suggestions (filament type? suggested settings? model sources?) for 3D printing minis to use in Dungeons & Dragons? I've done a couple where the support structures were difficult to ...
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3 votes
1 answer
75 views

Why is support printed over shell if layer preview doesn't show it?

When I check the Cura preview, then there isn't support over the shell, but when the part is printed, then there is support over the shell and it makes it look ugly. It happens only for front and back ...
1 vote
1 answer
70 views

how to control fine details from overhanging part to not build upwards

I noticed that when printing small teeth on a pulley that the angle is not matching the design angle. I am printing without any support structure. Overview: Detail: Printed: The printed overhang ...
  • 131
2 votes
3 answers
326 views

How to accurately print a thin piece with a hole pattern

I'm quite new to 3D-printing. I need to build a curved piece with a hole pattern and I was wondering whether it was possible to print such a hole pattern accurately, with such a thin (3 mm) thickness ...
0 votes
0 answers
84 views

Prusa i3 MK3S supports fail to print on bed

My printer currently has issues printing supports of multiple objects. The support gets smushed around the printbed after a while. I’ve attached a picture of the failed support. I’ve tried lowering ...
  • 101
1 vote
2 answers
399 views

Is there a more efficient methods of removing support in a model?

Is there a way of reducing the amount and strength of Model support when slicing in Cura? Cleaning a model with large amounts of support can consume large amounts of time.
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1 vote
1 answer
1k views

How to create a support structure in tinkercad?

I've created a case for my Raspberry Pi in Tinkercad and would like to 3d print it. However, I don't know how to create supports! I tried looking it up, but I got a model that I don't know how to ...
3 votes
2 answers
2k views

Can PETG be used as support material for PLA?

Printing supports, either complete, or partially from PVA have not always resulted in successful prints according to my experience with the filament (used in a dual extruder Ultimaker 3 extended). But,...
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1 vote
2 answers
450 views

Pretty ugly surface remains after using support ramp. Are my slicer settings correct?

I'm printing a object with a pretty sizable overhang. And the results, after support removal, are pretty ugly. Here is the print before support removal. And here is the final product, sigh. Finally ...
  • 251
0 votes
2 answers
3k views

My 3D model is printing with missing parts when sliced in Ultimaker Cura

I have been working hard the last year on the model below. I am new to everything 3D that is modeling and especially 3D printing. I have however successfully concluded quite a good number of 3D prints ...
  • 103
1 vote
1 answer
91 views

PET-G grid print problem

My supports 'grid' prints with empty spaces (after stoping extraction over perpendicular lines) (BTW. I have checked the direction when it appears and it has nothing to do with coastig) (the end ...
  • 11
1 vote
1 answer
120 views

PLA support material suddenly a problem on Ender 5

I have an Ender 5 that I meticulously calibrated with good success and was regularly getting great print quality with PLA. I stopped using it for a couple of months and when I resumed (without having ...
  • 163
3 votes
1 answer
1k views

Prusa slicer and support material

I usually use Slic3r 1.3 but now I'm trying the new PrusaSlicer 2.2 that offers new features. I see that PrusaSlicer creates a ...
2 votes
1 answer
2k views

SLA printing: piece does not stick to supporting structures

I am trying to print a box shaped object with an ELEGOO Mars SLA printer. I positioned the piece rotating it on X and Y axis 35 and 30 degrees. However, the print fails because the piece does not ...
0 votes
2 answers
216 views

Overhanging section of part turns into spaghetti

A part I've printed (on a Monoprice Maker Select V2, sliced with Cura) has a small peg on it, which is an unsupported overhanging section of the model. The first few layers of the peg end up a mess ...
  • 305
1 vote
0 answers
476 views

Supports and raft hard to remove Up Mini Printer

I have an Up mini printer and the raft and supports are often really hard/seemingly impossible to remove from the model. I read that this could be because the Up prints at high temperatures, however, ...
1 vote
1 answer
48 views

creating support for a surface

I created an stl file of bathymetry using Matlab and the results can be seen in the two pictures below in Blender. The problem I have is that it is very thin with overhangs. I would like to add some ...
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0 votes
0 answers
36 views

Cura how to fix "on air support" [duplicate]

I'm trying to generate G-code for handle in Cura. Unfortunately Cura generates wrong supports - first layer of support has now background in starts in the air (see attached files) So how to fix it? ...
  • 101
3 votes
1 answer
1k views

How to ease the process of removing support for miniatures

I have recently bought an Anycubic i3 Mega S 3D printer. I'm using the stock nozzle (.4 mm) and I print with the plastic it came with (ABS). I'm using ...
2 votes
1 answer
3k views

Cura is printing support on nothing?

I am new on 3D printing, but I cannot understand how support structures (in Ultimaker Cura 4.4.1) can stand if they do not lay on anything, but air. Throwing everything away after 9 hours of printing ...
1 vote
3 answers
234 views

Surface Tension Support for FDM Printers

I've been thinking about alternatives to support materials for FDM printers, such as multi axis printers, dual head with soluble support material or printing in a gel/liquid which traps the material ...
3 votes
2 answers
156 views

Technique for removing support from Ultimaker 2+?

I have made some prints with the Ultimaker 2+ and Ultimaker 2 Extended+. The prints are in PLA. For slicing, I use Cura and I check the support checkbox (haven't gone to advanced settings to adjust ...
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1 vote
2 answers
158 views

3D printing overhangs that are over .200 in

I am new to 3D printing but have been in CNC Machining for a few years. I have a part I am trying to print that is a cylinder 1.000 in. in diameter and has a .200 in overhang starting at 1.300 in. In ...
  • 125
4 votes
1 answer
173 views

Horizontal line z-axis not printing correctly

I have just started with the FlashForge Creator Pro using the FlashPrint slicer software. I have gotten some nice prints but I am having an issue with a certain print from this model of a knife. See ...
2 votes
1 answer
169 views

Slicer is adding additional floor bed

I'm trying to print an architectural model of a house with 2 floors and a room on the roof. It was designed in SketchUp by a friend. I removed inner walls and floors to print it upside down to get ...
  • 151
3 votes
1 answer
73 views

My first 3D printing - I need some advice or tips

It is my first time for 3D printing, I read some tips for forms, minimal thickness, angles, round or flat, but I am still not sure if I am going to do all well for the first time. For my college ...
3 votes
5 answers
948 views

How can I print a 1 cm overhang with minimal supports?

Here's the thing I want to print. The red ring is 3.5 mm above the bottom of the orange cylinder. The red ring is 1cm thick. I'd prefer not to use supports because I tend to break as much as I ...
1 vote
1 answer
370 views

How to create supports for the parts hanging above 45 degrees? [duplicate]

Do you have any specific process recommendations to achieve support for the parts hanging above 45 degrees, using open source software?
1 vote
0 answers
36 views

Slic3r - how to combine specific perl code with Slic3r SupportMaterial.pm? [closed]

I've got a specific perl support tree script that I would like to integrate into Slic3r. Does anyone know how to do that?
5 votes
2 answers
1k views

3D printed part sticking to the support layer

I am using a Flash Forge Creator, and when I print big parts (only in this case) I have about 25% of the bottom of the printed object sticking very hard to its support layer. And I spend a lot of time ...
  • 101
4 votes
2 answers
7k views

Slicer settings for easy support material removal

What are the best settings for Ultimaker Cura to have support material that's easy to remove for my Anet A8. I have printed an object with two different spools of PLA (same manufacturer just different ...
2 votes
1 answer
180 views

Flexible filament how to print a hollow "sleeve"

I need to print a flexible, hollow "sleeve" or "cover" for an elongated part, kind of like a soft "skin" for a "finger" (see pic). I'm not sure how to approach the hollow space problem, i.e. how to ...
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