Questions tagged [3d-design]

3D design (or modelling) is the process of creating a three dimensional digital representation of some object that, for instance, can be 3D printed.

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Need some help for a DIY project involving connecting parts [closed]

Here's the problem I'm trying to solve. When I play with the band live, I typically don't bring my own drumset. So I came up with a system to place our logo in front of any drumset quickly. I designed ...
GM Rod's user avatar
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Prints failing and there is resin hardened on the build plate in areas with no model on Elegoo Mars 3 Pro

I have been printing for years and I have no idea what is going on now. My prints are not coming out and random areas of the build plate have hardened resin where there should be nothing. These are ...
vab04581's user avatar
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Does anyone know why Meshmixer does this when I bring a brush to a figure? [closed]

Does anyone know why Meshmixer does this when I bring a brush to a figure?
DarrenTill's user avatar
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How to find the weakest point of a model?

I would like to use some kind of simulation software to test my model and find the weakest points for example when pressed or stretches from different angles or positions. Under different loads or ...
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How to design a cable pull relief?

A thick power cable will go into my 3D-printed device, and I am looking for options to design a "pull relief" against the full pull power of a human. Ideally, it should be designed mostly on ...
underflow's user avatar
2 votes
1 answer
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How to add a 2x2 mm hole to a SCAD file?

I'm trying to modify this code to create a small 2 mm x 2 mm hole on the short side of the box (to fit 2 wires coming out of a battery): ...
stormist's user avatar
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4 answers
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How do I 3D print an object inside another object?

I have a tooth and a nerve inside it as two different objects. The first picture is a molar tooth and the second image is a nerve inside the molar tooth. My question is; how to generate supports so ...
Fatih Hamırcu's user avatar
2 votes
2 answers
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Does one has to take into consideration the nozzle diameter while designing something that will be 3D printed?

I am really new to 3D printing. I started with downloaded stuff about 2 months ago and now I am starting to do my own "easy" things. While looking at tutorials I heard one of them talking ...
distante's user avatar
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How to I give my mesh object (STL/OBJ) a flat surface?

When scanning objects like sculptures using Kiri Engine (photogrammetry) often the bottom is open. What I currently do after exporting to OBJ, is opening it in my RevoScan app and use the "fill ...
Bob Ortiz's user avatar
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How to change the orientation of an object inside the STL or OBJ file?

I have little experience with CAD software, only use Thinkercad and only recently started using the Revoscan app. I know how to rotate files when slicing (in Cura) but that only has an effect on the ...
Bob Ortiz's user avatar
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How to move body to origin using center of body?

I have a few bodies and I want to move them together so that the center of it is moved to the origin. I don't think the bodies when selected together have the correct center I'd want as I don't think ...
Mark's user avatar
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Designing compressible camera mount

I am looking for some ideas, I am mounting an OV9281 camera sensor with an M12 lens in a waterproof box. I have designed a mount with snap-fit joints for the camera to fit too. This works successfully ...
tenniscelebrationparty's user avatar
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Print detents for potentiometers

Problem: Detent potentiometers (think potentiometers with haptic feedback) are expensive and I need like 15 of them for my project (maybe 4-5 different detent levels, which means no bulk discounts :/ )...
Timothy Wong's user avatar
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3D printer G-code problem

I am currently doing a DIY 3D printer using RAMPS1.4 and it works as I have tested all X, Y and Z axis including the extruder extruding filament. I have jogged all the axis using Pronterface Software. ...
Maximus Su's user avatar
2 votes
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Interlocking and joints for 3D printed structure, tips&types

I'm a student and I need to 3D print a structure for a research. I know nothing about mechanic parts, joints and interlocking so I hope someone could help. The diameter of the whole structure is ...
Giulia D'Agostino's user avatar
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Create a 3D-Model out of a 2D-Stack of microscopic planes and analyze it according to volume, side faces and number? [closed]

for my graduation project I have to compare cells in a 3D- Model to one another in regard of their volume, side faces and the corresponding forms and their numbers. First, I have about 300 Tif-Files ...
Sarah's user avatar
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3 answers
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What is the best way to print an action figure?

I have created an action figure and would like to print it. Anyway, I am not sure the best way to print it, the action figure can be printed only once but the duration is 10 hours. If I separate the ...
Inuraghe's user avatar
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How do I run wires for an LED through my print?

I am just getting into printing and would like some direction on my current project. I am building a display cube, and I would like to have an LED light on both the left and right sides. The battery ...
Paul Carlson's user avatar
1 vote
1 answer
138 views

Define PrusaSlicer infill modifiers in STL/3MF?

I use a procedural 3D animation package (SideFX Houdini) for my 3D object design. After exporting my design to STL then importing to PrusaSlicer, I manually place modifier objects to adjust the ...
Geordie's user avatar
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How would this OLED be mounted if in a commercial device?

I am making homebrew electronic items and I'm using this OLED, a 0.96" SSD1306 Module; very common in the Arduino world: If someone were making a commercial device with this and designing a case,...
LarryBud's user avatar
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Do bevelled corners hold any practical advantages or disadvantages over square ones for blocky functional prints?

I'm producing a series of brackets to allow a laser cutter to be reliably positioned on a waste board\spoil board in that has a measurement grid on it, and to allow a honeycomb bed to be reliably ...
Aaargh Zombies's user avatar
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1 answer
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Inserting steel dowel pin into hole with interference fit

I'm building a product which requires a dowel pin inserted into a plastic piece. I'm planning to 3D print the plastic piece with nylon (must be nylon for biocompatibility), but the tolerances won't be ...
adamcircle's user avatar
3 votes
1 answer
98 views

Tool for modifing STLs?

I'm looking for a tool to modify STL files to make changes, before printing it. I know that it exists, but I don't know the name of the software. For example, I have a STL file for a ball and I want ...
Boggart's user avatar
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3D printing a part without experience in 3D design

I have a height-adjustable table, but the height cannot be adjusted as a gear in the motor has worn out cogs and it will not spin. The motor is functional so the only thing I need is to somehow get a ...
YoUnGi's user avatar
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3 votes
3 answers
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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 ...
LarryBud's user avatar
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2 answers
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Is a thermoplastic's glass state relevant for 3D printing extrusion?

From my understanding of FFF 3D printing, the glass state is usually used to heat the bed for better first layer adhesion. Other than that, does the extruder keep ex:PLA in a glass state for any ...
Andi Iacob's user avatar
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1 answer
50 views

Which software would be best to model these types of parts (needed for cubicle repair)? [closed]

I'm in need of printing some replacement parts for cubicles, and the image included with this post contains most of the parts we are need of replicating. I read this helpful infographic on different ...
Timpy's user avatar
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4 votes
1 answer
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What is the difference between allowance and tolerance?

I have to have a pin fit in a hole, and there needs to be a gap so the pin can turn freely. Can I make the pin smaller by changing the tolerance?
John Deters's user avatar
2 votes
3 answers
459 views

How to take in account tolerances when coupling

I'm quite new to 3D CAD and printing. I own a Dremel 3D45 and I use FreeCad / Ultimaker Cura as softwares. My question is pretty simple. Say you have to make one object with a pin and another with a ...
Mark's user avatar
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Is it possible to build a sponge-like surface using 3D printing?

I am new to 3D printing. I own jewelry stores and want to 3D print my jewelry packaging for rings, necklaces, and bangles as in the picture below: I have two main problems: Is 3D printing capable of ...
Sara Haroon's user avatar
1 vote
1 answer
2k views

Meshmixer create solid

I have this .stl that I downloaded and I need to create a solid of this 3D. However, if I click "Make solid", it doesn't work. How can I do? I think the problem is the black layer but I don'...
Inuraghe's user avatar
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1 vote
2 answers
369 views

Can you 3D print an electrical connection

I am trying to create a two-piece snap-fit or joint using a 3D printer (Resin). After that, I plan to coat the joint with a conductive spray and create an electrical connection when the two pieces are ...
Anwer Ak's user avatar
2 votes
1 answer
328 views

Stepper motor D shaft to Lego axle adapter

I am working on a prototype and I have a need for a motor shaft to Lego axle adapter for use with a stepper motor. My overall project entails controlling a stepper motor using C# via USB connection to ...
Gary Kindel's user avatar
3 votes
2 answers
318 views

Can you fillet the base of an object without needing supports? Is there a recommended radius?

I am currently adding a fillet to the base of an object (the plane that's touching the bed) and I was curious if the radius of the filet contributed to any mis-prints. I've had luck so far but was ...
SeatbeltHands's user avatar
0 votes
1 answer
356 views

Software to Pose and Export FBX Character

I am a beginner and looking for software to easily pose a 3D character, which I currently have in an FBX file, and export the pose to an OBJ file. For example, I could move the character's arm upward, ...
Brendan's user avatar
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1 vote
1 answer
51 views

Adjustable Angle for a 1.5 inch OLED screen

I have a 1.5 inch screen, and I would like to create an adjustable angle plate for the screen, similar to Game boy advanced (shown below) Does anyone know how the mechanism works? By any chance, is ...
Sam Shurp 's user avatar
0 votes
1 answer
40 views

Method to easily connect objects that are slightly spatially separate in .obj file

I am interested in printing a brain that contains 696 parcels (i.e., chunks that break up the total brain). The .obj file was created such that each of these parcels are spatially separate. Do you ...
igoogledbing's user avatar
0 votes
1 answer
781 views

Which 3D printing material is best for floating designs?

I am trying to print a shape (e.g. square container) using clear resin. However, I am facing the problem of the design sinking when I put it water. I am right now trying to make it hollow from the ...
Anwar Elhadad's user avatar
0 votes
4 answers
440 views

Tips on incorporating a robust hinge

I'm working on a gadget a bit like a jewelry box. I want the lid on a hinge. Are 3d printed hinges robust enough for daily use long term? Perhaps with a metal pin? I want to incorporate the hinge into ...
Kilisi's user avatar
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1 answer
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Little help on this Cura slicing or model error?

The left part of the first picture is giving an inverted circle when lying flat, but the right part of the first picture is how it should be. Same STL for both slice orientations. I tried toggling ...
Snuffles's user avatar
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2 votes
1 answer
152 views

Deep ridges in all of my prints

I'm using an Elegoo Mars 3 printer. For some reason, all of my prints are now getting these deep ridges. each layer I can hear it peel away from the vat before it lowers again for the next layer. I've ...
msim's user avatar
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2 votes
2 answers
368 views

How Do I Determine The Appropriate Magnet Strength For A Tight Seal On A Box

I want to use magnets to hold the lid of a box down tight enough to keep it relatively airtight (along with a rubber seal etc.), but I am not sure what strength of magnet to use, that will still allow ...
Liam's user avatar
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1 vote
1 answer
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Can 3D printed bottle caps make a perfect seal?

I am using a Formlabs 3 resin printer and I am would like to create a bottle design with a cap. my objective is for the cap to completely prevent any liquid from going in or out of the bottle (even it ...
Anwar Elhadad's user avatar
0 votes
1 answer
51 views

Can you have a perfect seal to maintain moisture?

I would like to create a water chamber (Box) that maintains moisture. My main idea right to use a snap-fit model (Two faces). However, I feel that the areas where the two face snap-fit will allow air ...
Anwar Elhadad's user avatar
1 vote
1 answer
820 views

Can you snap fit 3D resin printed parts?

I would like to create something like a treasure box model. I want to print two parts: one is the base and the other one is the lid. However, I want them to snap fit together like LEGO pieces when ...
Anwar Elhadad's user avatar
1 vote
0 answers
52 views

How can I create a geometrical texture on a section of an STL file?

I have an already existing STL file of a car headlight but I want to add a specific raised geometrical texture, not just a PNG image but an actual texture that can be felt when it is 3-D printed. ...
Vbs 's user avatar
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0 votes
2 answers
64 views

3D printing using only binary tensors representing parts

I need to 3D print several composites. The constituent materials are photopolymer resins. The composites are very similar to a Rubik's cube. Considering it that way, each voxel (every small piece of ...
Liam Spring's user avatar
1 vote
1 answer
125 views

3D from 2D picture options

If I want to make 3D printable objects out of my old drawings, what are my options? Do I need to redraw the entire thing in 3D or is there a better way? This is an example of the sort of pictures I ...
Kilisi's user avatar
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1 vote
3 answers
1k views

Best way to put a serial number on a 3D print

I want to put in a date and serial number that would be difficult to erase or change. Is it better to print in the number or engrave it in with a laser engraver. Material will be anti-bacterial PLA. ...
Kilisi's user avatar
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1 vote
0 answers
274 views

How do you marry two object's holes in Freecad? 3D printing a drone

I am 3D printing a drone and I need very good tolerances for the holes so the arms and motors align correctly. I have two sets of 4 holes for two solid objects (Imported as STEP) I want to align the ...
bem22's user avatar
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