Questions tagged [units]

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votes
1answer
13k views

Why is my object in blender bigger by approximately a factor 10 than in my CAD program?

I export my CAD models, which I create on Creo 2.0 (originally called Wildfire 5.0) as STL files, and import them into blender. But when I compare their sizes, ...
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0answers
1k views

Relation between pixels and blender unit and the grid floor?

everyone I would like to know with fundaments , the relation between pixels and blenders's units for meshes over a custom grid's floor ( In my case I use the default grid floor). I mean this steps (...
1
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0answers
368 views

Grid Settings for imperial

I am trying to create an 11x14" plane and would like to snap circles onto it in 1/4" spacing. I change the grid to inches and imperial and the scale automatically changes to .0254, which apparently ...
8
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1answer
6k views
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0answers
344 views

Dimensions dont match between objects

I have 3 models in my scene. One of them has the dimensions like I want it to have: The Z dimension is 1m. However, the other two models have a messed up dimension. They look right, but the panel ...
1
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0answers
285 views

Convert Curve (SVG) to Blender exact imperial units

As a test, I've created a 2D box in Inkscape with the dimensions 1' by 1' (Inkscape shows that 1' is 1080.000px). I import the SVG into Blender, and when observing the dimensions of the curve ...
0
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1answer
420 views

Why is the camera in the viewport smaller than the focal length suggests it should be?

I launched Blender, in the default "Startup file". I changed the Camera Location X, Y and Z, halving them. Then I changed the "Units" in the "Scene" to Millimeters as you can see in the following ...
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0answers
710 views

Background images / scale

I have already spent 2 hours figuring out how to position image correctly... So here is the problem: I would like to set background image in such way it fits to the real measure (doing iphone ...
1
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0answers
76 views

How many density-independent pixels is one unit of measurement in Blender 2.7x? [closed]

I would like to know how many density-independent pixels it takes to make on blender unit. Please?
2
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0answers
2k views

Extrude or move or give length in millimeters

So I have established that I need to work in metric and have set this in scene settings I have also set the units to millimeters. I have then specified the appropriate scaling on the properties ...
0
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0answers
94 views

Exact precision on blender grid [duplicate]

Well, I have to do a mesh in millimeters, and amplify the view to begin, and set a vertex in the center (Y=0 X=0), and as you can see, set the top view, and create a square of 10cm but the mesh does ...
5
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1answer
896 views

What does 'Cube Size' mean when using Cube Projection UV unwrapping?

I don't understand how Cube Size is handled when doing a Cube Projection. Here is my example scene: my cube is 1m by 1m, applied rotation & scale, so its just a clean, perfect and beautiful 1m ...
2
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1answer
98 views

Unit ( Metric) Problem : Not able to get full 20cm

im looking for days now ... I changed my Scene to be Metric, with Degrees and Scale to 0.001. Objekt Display / Lines: 50 / Scale: 0.01 I need an Icosahedron with 20cm long Edges. I get 20.019cm or ...
0
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1answer
817 views

Scaling for games

I looked and didn't find exactly what i was looking for. So my question is: does size matter in Blender when making stuff for games (Unity, UE...)? If some stuff would be scaled wrong in Blender for ...
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0answers
54 views

Problem in units

My goal is to make metric system adjust to my zoom of the scene automatically, as i've seen in this video https://www.youtube.com/watch?v=fdXzw225KVU 02:30 . But this does not work for me and i get ...
1
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0answers
902 views

Exporting to Daz3D help

So I mainly use Daz3D for most of my model/3D needs. But they are expensive and i figured I could do it my self for simple things such as fish. fish are easy. I made the model no problem. even managed ...
7
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1answer
3k views

How to lock texture tile size while painting?

I am a new to the blender. While I was painting texture to the mesh surface, I noticed that if I move camera(view) even a little bit and paint again, the new painted area texture tiles are different ...
2
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0answers
56 views

Blender to Autocad, units issue

When I export from Blender to Autocad as DXF, it does not keep my units the same, I choose meters for example, when I export to auto cad its says 2.000, when i check the units it says unit-less, when ...
1
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0answers
35 views

Translations are halved?

I just started Blender and for some reason whenever I manually enter in translation values they are half of what is actually intended. For example, normally when a translation of an edge on the Z-axis ...
5
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1answer
1k views

Can I use blender to create a model and 3D print it for some real device

I want to create a 3D model which can be used in real life. When given some real life dimensions, can we make models in blender with the exact same measurement down to the millimeter? For example I ...
1
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1answer
18k views

Remove texture from object

I have a little problem, I deleted texture from Texture tab, but it still appear on my object and if I save it and reload it still here. I think it's a stupid thing but I'm using blender since ...
3
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1answer
735 views

How can I force input to be interpreted as millimetres instead of metres?

In Sketchup for example you can chose default unit. If you chose cm, you type in 17 and the line will be 17cm. Or you can choose to type in 1.7 and the line will be 1.7cm. Or you can change to metres ...
1
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2answers
251 views

Timeline Jump Distance Change

Pressing Shift+Up arrow/Down arrow causes marker to move 10 frames in a given direction. This being in the timeline that is. What I'd like to have it do is jump 12 frames to accommodate half second ...
0
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1answer
74 views

Animation in blender [closed]

How to animate like the animation in this video (https://www.youtube.com/watch?v=Z_1Hzl9o5ic) at t = 58 onward. Any suggestion or any guide.
1
vote
1answer
911 views

How to render individual objects (one per frame)

I have a quick question for anyone who may know... I have in my scene multiple objects and I want to render each of them individually. Is there any possibility to render each of them individually ...
1
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2answers
313 views

my model is much bigger than the 3d and 0-1 space

I am new to blender and 3d. i have a model i'd like to UV map with a custom design. However the model is huge compared to the 3d space and 0-1 space. what do I do or where do I go to get an answer? I ...
5
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2answers
3k views

What units does the cycles SSS scattering radius use?

As a sort of follow-up to this question, what units does the scattering radius use on a cycles subsurface scattering shader?
1
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1answer
490 views

Where to start in blender? [duplicate]

I have recently learned all the basics of blender from modeling to rendering, I am little bit confused about where to start 3d designing in blender. please suggest...
3
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1answer
1k views

Location of object wrong?

So I just realized some strange stuff is happening when i export my object, and I realized the original object made in blender is not at center, but the weird part is that its origin is at the center ...
2
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1answer
45 views

cycle units measurement through hotkey is it possible?

i find imperial is much easy or convenient to setup with camera distance from object a to b and eye level height i want to set a hotkey that cycle through units ( metric , imperial ) hitting same ...
1
vote
1answer
792 views

Blender bug with metric units

When I set Blender to metric units with scale '0.01' (centimetres) or any other scale, except '1', I meet a bug. Sometimes, Blender displays some values in meters. If I click into value and then ...
4
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1answer
661 views

How can I change the snapping?

I put snapping on, but would like to snap objects with increments of .6 meters(60 cm). is there a way to change the snapping? I am working with lego bricks I brought in from Ldraw. Since ldraw ...
1
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0answers
518 views

Change Unit/Increment Sizes

So I was trying to figure out how one would go about creating some sort of Minecraft based animation. I am accustomed to Blender's workflow, and I was wondering if you could change the snap units (the ...
9
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1answer
45k views

How to change the grid's length values? [duplicate]

I have a model of a gear that should be in the millimeters but when I scale it to that size it becomes so small that I can't zoom in to see it. Right now the grid is in metric and each grid is 1m x 1m ...
10
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1answer
3k views

Digits of precision of vertices coordinates

Vertices coordinates are float or double values ? Is it possible to see them with full precision and not only with the limited precision of the text fields ? Or better is it possible to see the bit ...
2
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1answer
568 views

How to make Blender remember STL export settings as default

I model in millimeters inside Blender, for 3D printing. Every time I want to Export STL, I have to untick Scene Units and change the Scale to 10.0. These settings ...
2
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0answers
821 views

How to use FBX file into Blender using python script?

I need to import FBX file to blender using a python script. Does anyone know how we can do that? Thanks
3
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3answers
15k views

Can the scale tool show me the real size of the object instead of a 1 - 0 scale?

when I resize I want to see the real width\length\dept of the object instead of the x=1 y=1 z=1. Is there a way to do this?
2
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1answer
293 views

How can I ensure a minimal precision of 1cm in my project?

I'm working on a project for some architects. I have following requirement: The maximal allowed error is 1cm. Many people will work on that plan for some years. I think every Object/Vertex may be ...
3
votes
1answer
650 views

How to make gravity respect the scale in Scene > Units?

I need to assume 1 BU = 1 cm, for use with Unreal Engine. That's because I can't use the FBX exporter's "Scale" value - it's not recognized properly in Unreal. In Scene's settings, I chose Metric and ...
2
votes
1answer
1k views

Scale plane to size of grid element

I am trying to make my plane exactely the width / height of a grid cell. I thought I could do that by clicking "Snap Element"->"Increment", but that does not do anything. Can anybody tell me what I am ...
6
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1answer
3k views

How to simulate a real camera with blender

I have a camera with a fisheye lens. I need to simulate it on blender to get the same images camera properties: sensor size: 2/3". image resolution: 1360*1024 fisheye focal: 1.8mm H*V (FOV): 185*185 ...
3
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1answer
243 views

large scale modelling, numeric problems?

I would like to create some models on the scale of 1-10k blender units. I remember reading somewhere that modelling on that scale can cause numeric problems. Is this correct?
5
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1answer
1k views

How would I scale an animated scene? [duplicate]

I am making a new animation for a company, based on their previous version that I have received. The previous version is at some arbitrary scale, but since I am updating and adding geometry (new ...
1
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2answers
1k views

Real world to blender modeling [duplicate]

I'm new to blender and I am trying to create basic shapes/models of few basic objects like - water pot, bottle, tea-cup etc. Now I'm trying to create an iPhone model. So, when I started modelling, I ...
6
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1answer
92 views

Is there a way to “unprotractor” a mesurement with the ruler/protractor tool?

I sometimes accidentally protractify a measurement when using the ruler/protractor tool. Pressing ⎈ CtrlZ does nothing (I guess being a model operator it doesn't have undo implemented). Is ...
0
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1answer
1k views

Mesh only moves in Blender units [duplicate]

Im new to blender, so please explain the answer clearly. I don't know what I did, but now, my meshes only move in Blender Units - it's understandably annoying. The only way they move more or less ...
1
vote
1answer
1k views

How do I get the selected object's distance from the camera? [duplicate]

I need to precisely visualize one object's distance in order to properly tune 3D sound properties. How can I measure the distance between me (the camera) and said object?
7
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1answer
1k views

Does the setting for domain size make a difference if the units are set to something other than None?

I've been trouble-shooting a fluid simulation and something that kept sticking in my throat was that my Fluid World scene size was set to 0.5 meters when my domain was actually much larger than that. ...
2
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1answer
256 views

Blender python math operations on vertex

I can print a vertex in Blender, but how do i do basic math operation; Like add multiply or divide them with other 3d coordinates ? As here the last line doesnt work : ...