Questions tagged [stl]

For questions regarding `.stl` files and the STL file format.

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votes
1answer
59 views

3mf circles are printing as polygons

When I'm using a .3mf file from Fusion 360 the circles are coming out as polygonal shapes that are very easy to see. When using a .stl file from Fusion 360 the circles are near perfect the polygons ...
2
votes
1answer
50 views

STL files and physical dimensions of a 3D printed object

I understand that an STL file contains all the coordinates of all the vertices of all triangles that a surface may be subdivided into. But it does not contain the physical dimensions of the model. ...
1
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0answers
43 views

How to 3D view an OBJ or STL object given its URL?

I have OBJ and STL files generated by reality capture software and stored on a website. I'd like to send our users web links that will take them to a 3D object web viewer loaded with the corresponding ...
4
votes
1answer
41 views

How to stop Fusion 360 from creating a new version on STL export

Everytime I export to STL in Fusion 360, a new Version (V1, V2, V3, V4, ...) of the file is created. But I would really like to use that feature to mark bigger changes instead of creating a new ...
4
votes
0answers
80 views

Do all slicers handle multi object .STL files correctly for multi color printing?

I only have experience with PrusaSlicer, where if I have one .STL file containing multiple volumes, I can click a Split to parts button to then be able to change ...
2
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0answers
50 views

Converting .par files to STL

I am using SolidEdge to create 3D models in .par files and right now I have over 30 files and I need to create STL files to print them in 3D printer using GrabCad Is there a way to convert all those ...
3
votes
2answers
86 views

Building a program to convert LiDAR data directly to an STL or directly to G-code

Some people have figured out how to take raw LiDAR data and after going through multiple steps (using LAS tools, converting to digital elevation model (DEM), converting to an STL) getting an STL file ...
3
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0answers
88 views

Why is this central area of the STL being filled in?

We've been doing some work automatically generating STL files using Python. We've made a ring of cubes like so: Importing it into Cura still makes it look valid, with a hole in the center: However, ...
2
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1answer
256 views

Still getting "no layers detected" after repairing model in PrusaSlicer console

I tried to slice an stl file using the PrusaSlicer console and I got the ...
3
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4answers
328 views

Cura messes up my print. How can I make it print what I see in Blender?

I'm using Cura and it removes my holes and deletes sections of the print and disconnects parts. In Blender it looks as it should be, as I designed it. I know there are a few mishaps inside (not ...
3
votes
1answer
720 views

File too big to open in Tinkercad. How can I shrink it?

I need to shrink an STL file below the 25 MB threshold, so I can open it in TinkerCad. I don't care about quality, I just need it shrunk. How can I do this?
0
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1answer
25 views

Looking for this stl design for a cellphone clamp

I've searched, and surprisingly I am not able to find this design on Thingiverse: Where can I find this 3d model?
1
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1answer
154 views

How to edit STL model files

The slicer included with my printers (ChituBox) has no STL editing capabilities. How to edit STL models?
2
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0answers
921 views

Scaling mechanism in Creality Slicer 1.2.3 for super small/large STL

I am having a tough time to understand scaling out and in STD files loaded into the Creality Slicer 1.2.3. For instance an STL like this: ...
1
vote
3answers
260 views

Sketchup Free STL import in FreeCAD not working with Fasteners Workbench

Hoping to get some help with something I'm trying to accomplish. Unfortunately, due to my being a noob with 3D modeling in general, I'm coming here for hopefully more direct help. ...
3
votes
1answer
48 views

Face where there should be no face

When importing this .stl file in Creality Slicer another face appears in the middle when viewed in layered view. This face is not visible in my 3d modeling software Blender. I tried cleaning up the ...
2
votes
1answer
105 views

How can I include seperate Slicing Parameters in my 3mf file

I am trying to write a program that edits a 3mf file by defines different slicing parameters for different stls that I have previously merged into my 3mf file, but I am a little bit confused about the ...
0
votes
1answer
146 views

Sketchup designed "Block with hole" printed solid in Cura

When I export my SketchUp STL model to Cura it looks good in solid mode but in the layers mode some holes are filled up. To find the reason why, I broke down the original model by deleting the parts ...
2
votes
4answers
3k views

How to convert png to stl?

Is it possible to convert an image image to STL file format? E.g. I don't need the coloring, I need the lines.
1
vote
1answer
41 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 ...
3
votes
1answer
338 views

Cura 4.4 missing object parts

I have this image in STL But it seems cura skipped the lower panel entirely when slicing the STL. The base is thick, as you can see here, but it is still missing in Preview, and Cura seems to ...
4
votes
1answer
1k views

Efficient way to create a "mold" of a solid object in Meshmixer?

Currently I have a model of a fingertip finished in my project, however, I would like to create some sort of "cap" that if printed would fit on top of that finger. Is there a good way to achieve this ...
3
votes
1answer
3k views

How can I convert STL files into PDF drawings?

Does anyone know of an easy and free way to convert my STL models to a PDF drawing for CAD and metal CNC machining? I've created some great designs that are all STL files and want to somehow send ...
4
votes
1answer
322 views

Delete only invisible parts of faces

I have an STL made out of triangular faces that intersect themselves to create very complicated patterns. It also has a very messy internal structure. I'd like to remove the parts of the faces that ...
2
votes
1answer
150 views

How to make symmetric Low-Poly objects in meshmixer?

I've made low-poly objects using Reduce function in Meshmixer. My objects are symmetric and I want to keep the symmetry in the low-poly because it's more beautiful, But the software doesn't necessary ...
4
votes
4answers
8k views

Combining multiple STL files

I have a collection of STL files, each containing a separate moving part of an object I want to print. (Imagine a set of gears, or similar, that prints as a single object with multiple moving parts.) ...
8
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4answers
12k views

Export STL as ASCII or binary?

When go to export a model using Fusion 360 or Meshmixer, I see that there are two options. Could the final model be affected by the format chosen at the time of saving?
5
votes
1answer
59 views

Where to get smartphone shapes from, to create a case all by myself?

I'm looking for some kind of collection of shapes of smartphones, so I can design a case that will fit certain models perfectly. STL, or any other kind of 3d file. Lots of companies produce cases for ...
1
vote
2answers
315 views

OpenSCAD weirdness with imported STL

I've tried to remix this model: https://www.thingiverse.com/thing:90933 (Bauhaus chess set) by scaling it down and inserting little magnet holes into the pieces' underside. My SCAD file looks as ...
1
vote
1answer
606 views

Getting started with converted STL to DXF [closed]

I converted the STL file through an online converter https://www.cadforum.cz/catalog_en/stl2dwg.asp (I work in the program autocad 2017) Now I open the resulting DXF and I don’t know how to work with ...
4
votes
2answers
5k views

How to estimate the printing time of a 3D printer from an STL file?

My local library has a 3D printer (Lulzbot Mini) for patrons to use. The prints are limited to 4 hours and if I go after work I really only have two hours before the Library closes. The software at ...
4
votes
3answers
3k views

Convert a 3D NumPy array of voxels to an STL file

Given a 3D boolean array representing voxels, how can it be converted to a 3D-printer-ready file? The end-goal I would like to achieve is to print the 3D shape that the numpy array represents (...
2
votes
2answers
540 views

What is the correct way to export SVG in order to convert to STL?

I made a simple logo using Inkscape, after saving as an svg file, but when I export that file into Fusion 360 something strange happened. Multiple times I convert some images (png, svg) to svg file. ...
1
vote
1answer
115 views

precise transformation using meshmixer

I am trying to do some edits on an STL file. I am trying to use meshmixer for this. I am essentially trying to move a hole in the following picture and widen the hole on the bottom of the part. I ...
1
vote
1answer
282 views

how to split a 40" model into 5 parts to print seperate

I currently have a model in fusion 360 of cylinders with the largest being 40" diameter in a specific pattern as seen below. My printer is a Ender-3x with the build plate dimensions of 8.7" x 8.7" x 9....
2
votes
2answers
552 views

OpenSCAD 2018 Command line

First, I'm using Linux Mint 18.3 (Sylvia). Until now, I've been using OpenSCAD with the GUI and never experienced issues. Now I try to start OpenSCAD from the command line, but it always opens an ...
2
votes
1answer
204 views

Boolean operation on two objects in Blender

I'm trying to draw a strange cup, with a kind of empty handle (actually, it's not a cup, but it looks like one). I need to print this object with a 3D printer, so I exported the model to 3D printing ...
3
votes
1answer
942 views

How can I decrease the thickness of a wall in an STL file?

There seem to be a lot of search results answering the question of how to increase wall thickness, but how can I decrease wall thickness? I have an STL model of a mechanical keyboard key where the ...
1
vote
4answers
156 views

Need help to only print one small part

I'm in dire need to reprint a small chunk of a print that got messed up during print because the support for it broke which I cannot explain whatsoever. Anyway. I need to edit the STL file and I don'...
-1
votes
1answer
357 views

Is it possible to use Three.js to determine the wall thickness of an STL file? [closed]

I am using a node app that displays stls online & analyzes them. Is it possible to determine the minimum wall thickness of the stl just like 3D Hubs print analyzer does?
2
votes
1answer
393 views

How do I keep the .stl files from being resized while exporting?

I made a few models in Autodesk Inventor. When I tried to get them printed, the printer created a model smaller than the model I made in Inventor (270mm x 200mm). Is there a way to keep them from ...
1
vote
0answers
375 views

"plane Cut" on a curve

I have a cosplay prop that I am trying to cut up into pieces so I can print them out in different color filament eliminating the need for any painting (it's the Handle in Mercy's Caduceus Staff from ...
4
votes
3answers
3k views

What is the point of diminishing returns on the STL refinement level in Fusion 360 on an Ender 3?

When exporting an STL from Fusion 360, one must select an STL refinement level to use for calculating the maximum triangle count. For FDM printing (0.05mm and above layer heights), where is the ...
5
votes
3answers
1k views

Route to transform 2d image (depth map) into a curved bracelet (and STL file)?

I've got a bracelet concept that I've sketched up as a flat design. I'm trying to found a route by which I can extrude this into a 3d object (depth map?), curve it into a bracelet, then ultimately ...
7
votes
3answers
9k views

Split/edit part in FreeCAD?

I'm trying to modify some parts on this thing. I'm kind of new to dealing with the modeling aspects of this. I am attempting to widen the part essentially 3mm. This would involve modifying the chain ...
3
votes
1answer
306 views

How can I tell if an STL model will need supports?

How can I detect if a generated STL model will need to be printed with supports? Context: I have a pipeline which parametrically generates OpenSCAD models, generates the STL, and sends them to the ...
1
vote
5answers
3k views

Subtract of two STL files in Slic3r software

I have a question about Slic3r software. I would like to subtract two parts. For example, I have an STL model, when I right click on the part, I can select Settings..., and in the Settings window, I ...
6
votes
4answers
8k views

How can I create PNG image files from STL files?

I need to add some simple image renders of STL files to a document. I currently open the STL files in Preview or one of the slicers and grab a screen shot. Is there an easier or automatic way to ...
5
votes
2answers
393 views

How do I create a STL file from a 2 dimensional grid of data

Given a large set of data, I was able to create a 3D graph in Microsoft Excel. How can I create a STL file similar to this graph to create a physical model of this graph?
2
votes
2answers
2k views

Black surface in Meshmixer

I was working on a model today and I need to make the black surface into a normal surface so that the ship's cockpit is solid. I am unable to select the black surface. I tried using the flip normals ...