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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1answer
71 views

Efficient packing of models with chains

I have a model where several solids are linked with chains. The original design contains a lot of empty space. I am looking for software, which can automatically move the solids and fold the chains ...
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3answers
116 views

Getting precise measurement of a complex rod

I'm trying to build a headrest for my Sayl office chair. For that, I'm designing a 3d-printed part that's going to fit on one of the existing rods of the chair. Check out this picture: How would you ...
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3answers
4k views

Generating mold from stl file of the 3D drawing of the object

I want to know how to make a mold of a 3D design in .stl format. Suppose I have a 3D partin .stl format (for e.g. a cylinder) and I want to make/design a mold for this object (i.e. the structure ...
4
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1answer
255 views

Dual PSU with one switch fuse

My home built printer has been having issues running properly. The x/y/z motors will run freely with standard non build position commands but when they are suppose to start a raft layer and they ...
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2answers
1k 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 ...
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1answer
2k views

How do I compute the surface & volume of a large amount of STL files?

Please, how do I compute the surface & volume of a large amount of STL files ? I have over 3000 STL files, and I want to know their respective volumes and surfaces. I will use this data to be ...
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3answers
1k views

Connecting disconnected pieces in Fusion360 Stencil. Sketch entire model then extrude

I am trying to make stencils of Japanese Kanji characters with my 3D Printer. I am very new to Autodesk Fusion360 so I am running into some barriers: I am having trouble sketching a rectangle and ...
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1answer
97 views

Is there any public and reasonably accurate 3D scan from a Cray-2 computer? [closed]

I'm thinking about building a Cray-2 inspired cluster. I'm concerned about the exterior housing modules, proportions and panels. Has anyone done a good 3D scan of one?
5
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2answers
586 views

Which 3D design softwares make multi-material amf or other design files that slic3r will slice?

I'm looking for suggestions for 3D design software which support designing multi-material parts. I will be printing on a multi-extruder machine based on RepRap firmware. The printer will handle the ...
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1answer
2k views

Painting an STL file

I have an STL file that I want to add a tribal tattoo to with the end goal of getting it printed in colour sandstone from Shapeways, or in full colour on an Mcor Arke at some point, but I'm not really ...
11
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1answer
998 views

What's a good way to secure bushings in a 3D printed part?

I'd like to secure bushings in 3D printed parts. They would be used for a drilling jig. I've seen heat-set inserts, but they've all had threaded interiors. The best idea I can come up with is printing ...
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6answers
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STL to STP CAD Conversion

Does anyone know of a good way to convert a 3D print file, like STL, to STEP - a useable file format for plastic injection molding companies? I have tried to convert the files through a couple of ...
5
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1answer
1k views

Can the `render` function be used to speed up rendering?

I am designing a moderately complicated piece in OpenScad. It renders fast enough in preview mode (1s). But when i do a full render so I can export to STL, it takes ages (In the 10s of minutes) I ...
2
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1answer
434 views

TinkerCAD Align to Odd Shaped Object

I have an odd-shaped object (I'll call it "A") that I have imported into a TinkerCAD drawing. Its dimensions do not align to any specific size, and therefore I can't really use the grid lock to help. ...
4
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2answers
824 views

How to modify 3D model of body?

I'm relatively new in the field of 3D printing and design. By now I've created and printed some technical objects with TinkerCAD, but now I've a task, which I don't know how to solve. I have the ...
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1answer
2k views

How to automatically add support and "base" to the model I am printing?

Most of time my prints fail due to lack of support and "base" for the 3D model. I'd like to know if there is any software that can automatically check my model, and add support and a "base" to it, if ...
3
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1answer
176 views

How to draw cube with cone (Dreidel like), using Onshape?

I want to draw a cube with cone using Onshape. I need the cone to "shave" the corners of the cube, till it gets to the middle point. This is diagram I made: What is the best way to do it?
8
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3answers
490 views

Are there any "best" or at least "common" practices to handle allowances in OpenSCAD code?

I'm designing a few mechanisms with OpenSCAD, and one of the parameters that need adjustment between printers/filaments is allowances between pieces that need to be assembled together (for example, if ...
6
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2answers
301 views

Are 3D printed gears applicable for industrial use?

Are 3D printed gears applicable for industrial use? I want to print some gears with ABS. What will their lifespan be? How long will they last if I use them, for example, every day?
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2answers
217 views

Fusion 360 M3D Slicer

I have created a design with fusion 360. I tried to print it with my M3D Pro printer but it seems the designs have a flaw. If I try to print the bottom part, the second layer is wrong. It seems to ...
7
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2answers
461 views

SVG to STL conversion to make symbols recognisable for visually impaired users

I work on communication devices for people with disabilities that prevent them from speaking. This can be anything from a board with symbols on, to a relatively sophisticated app. Some potential ...
4
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2answers
246 views

How to remove internal part of a hex grid

I am modelling a few cut templates to be used on an hexagonal grid (honeycomb) material using OpenSCAD. Basically, from a reference cell, I need to select all cells that are within a given range and ...
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3answers
861 views

How to concave a cylinder with Onshape?

If I have a 3D cylindrical extrusion (in Onshape), how can I scoop, carve, or indent a concave/parabolic curve in one of the ends? The yellow surface is the target. Here is the basic shape I'm ...
4
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2answers
145 views

My print did not turn out as I expected. Where can I start troubleshooting?

I am trying to modify this thing. It's prints OK, but there are some design choices I don't like, so, since the previous makers uploaded their source files, I tried my hand at Sketchup. My latest ...
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0answers
83 views

Mesh modeling - remove parts of a mesh using a uv map

Any idea which software they use to get the honeycomb pattern? I just read a nice article about the “Design of a Patient Specific, 3D printed Arm Cast”. (https://knepublishing.com/index.php/KnE-...
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2answers
6k views

How do I 3D-print fair dice?

As 3D printers become more and more reliable, their prints get better and better. But FDM printers do have their problems too: you print tiny ovals that smooch together at the edges, and infill makes ...
2
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1answer
75 views

A free simulation program

With some of the items I am designing I would love to put them through a simulation. Like crushing, for example. I want to know how well my object can handle any situation I put it through so I can ...
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2answers
1k views

Slicing adds holes/cracks to my object

I recently got started in 3D printing but here's an issue I can't seem to find a solution for (I don't know what exactly to look for). Here's what I did: I used InkScape to convert an emoji in to a ...
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3answers
1k views

Printing Object in multiple parts

Is there any software/methods to automatically splice objects into multiple pieces sort of like a jig saw puzzle so that I can combine them together and bypass the build plate size limit? As an ...
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1answer
1k views

Could I 3D print an airbrush? [closed]

Could I 3D model and print a working airbrush in PLA?
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2answers
2k views

3D Builder is Saying "One or more objects is invalidly defined"

Currently, 3D Builder is telling me "one or more objects are invalidly defined. Click here to repair." What is this and what does it mean? When I click it, it totally messes up my model (I can't tell ...
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2answers
834 views

How to draw kossel delta corner in fusion 360?

I want to draw kossel delta corner in fusion 360 for 2040 aluminium extrusion like on picture below, but cant find a way to actualy start, I draw 3 side polygon and 20x40mm rectangle but cant go from ...
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1answer
255 views

can the intel sense "xyzprinters 3dscanner" work on amd prossessors anyway?

i ordred a xyzprinter 3d scanner today on ebay, bechause i through it would work with my quick new windows 10 pc setup. but when i tested the scanner compability i downloaded here now, it says that ...
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2answers
2k views

Make a nose cone in Fusion 360

I am new to Fusion 360 and I think I'm going straight to something complicated. Is there a way to make a nose cone for a model rocket? What tools would one you to accomplish this?
2
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1answer
227 views

Designing back plate for Ring Doorbell [closed]

What is a good tool to use to design a back plate for a Ring Doorbell? The shape will essentially be a wedge shape, tilting the doorbell to the side and down a bit. I'll need to iterate over a few ...
6
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2answers
2k views

How to make an object hold water

I made a tea bowl, but it leaked when making it in PLA... What are the key points to keep in mind when designing and printing an object that is intended to hold water using an FDM printer?
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3answers
567 views

Looking to use 3D printing to make a master plate for rubber stamp vulcanizing

I am an art rubber stamp maker, using a vulcanizer to make art rubber stamps from molds that are usually created with a magnesium plate. The normal process is to send artwork off to an engraving ...
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3answers
391 views

Which 3D printer is good for beginners? [closed]

I was looking for some advice on which 3D printers are good for someone who is just getting into 3D printing? I have been looking at the Anet A8 on ebay but not sure if they are any good or not. ...
4
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1answer
812 views

How to "paint" a mesh on a stl/obj

I have almost 0 experience in 3d modeling and I'm looking for a simple way to color a model. I want to replicate this paint job of a model. I've tried Blender, tried Mudbox and I don't have the ...
4
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1answer
4k views

Mechanics for modelling a push button latch spring

I am designing a door to put on a small enclosure that will open and close upon pressing a button. The idea is something similar to what you would find on an external DVD reader. My problem is with ...
2
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2answers
888 views

fill in svg or stl design

This is a line drawing and I would like to print it a couple of mm high. I cannot figure out how to get this line drawing filled. I converted to SVG with Inkscape, used GIMP, took it online to ...
4
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3answers
691 views

Is it possible in any 3D printing software to create a coiled tube?

I've gone on quite a few sites (thingiverse, grabcad, etc) in search for a coiled tube, but I have yet to find anything suitable. There are a few coils ("springs") but no coiled tubes (i.e. the ...
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1answer
2k views

How to carve a hollow cylinder along the curved surface in Fusion 360

Let me start with a disclaimer: I'm new to 3D design, to design in general and specifically brand new to Fusion 360. This is my first project. I started by creating a hollow cylinder, with the one ...
4
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1answer
2k views

Slic3r not interpreting STL correctly

I'm very new to 3D printing, I purchased a Monoprice Maker Select Plus last week and I'm just getting started with printing my own models. I can create fairly simple models in Sketchup without a ...
3
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2answers
218 views

Snap-in clamp geometry

I apologize if this is in the wrong section, but it seems relevant. I am an absolute noob at 3D printing, but recently my need for a specific, small part intersected with access to a 3D printer at ...
7
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1answer
639 views

FDM layer bonding strength

I'm looking for some advice, rules of thumb, or models for how to design parts for layer bonding strength. As an example part, lets assume a circular beam in bending (tall cylinder). Depending on how ...
3
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1answer
834 views

How to join pieces automatically using interlocking or similar?

I have a piece, which I need to cut into two different pieces, see image 1. Image 1 Then I need to make interlocking joints or similar, see image 2. Image 2 How can I do that automatically, using ...
2
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3answers
622 views

101Hero 3D Printer - Printed object is tilted

I am facing a problem with my 3D print. Whenever I am printing any object, the print from the top is shifting to the right hand side - it is symmetric at the bottom but not at the top. Checkout the ...
1
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1answer
384 views

Thoughts on designing and printing 3D miniature house

I've done a few 3D designs in Sketchup and Fusion 360. Prints were done in PLA on an FDM and an SLA machine that I have access to. Generally I am quite happy with the results. Now the description of ...
6
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1answer
542 views

Building a pivot linkage for servo steering with 3d printed parts.

This question is more of a mechanical rather than 3d printing, but I am assuming 3d Printing communty have already come accross this issue, therefore this is a good place to ask. I am building a ...