Questions tagged [units]

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2
votes
1answer
3k views

Why when importing an obj file nothing appears even when zooming?

I have opened a new blender file and deleted the default cube, then imported an obj file . I did not see any thing so i selected it and i zoomed ,nothing appears.In the outliner i saw the object name ,...
63
votes
2answers
22k views

How do blender units and meters, feet, or yards correlate?

If I'm using blender game engine, how do blender units work in relation to gravity, acceleration, or weight? Is there a rough physical world equivalent?
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 ...
16
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1answer
23k views

Where did object dimensions go in 2.8? [duplicate]

Anyone seen this panel? Essential for precise modeling.
11
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3answers
9k views

How can I use imperial units when entering measurements?

I've set my units (UnitSettings.system) to Imperial in Properties → Scene → Units. I can now see my measurements in imperial units. For example, I see ...
11
votes
2answers
3k views

Blender units vs metric

I just started getting into 3d printing. At first I scaled my models down to a few cm tall in blender, but found them nearly microscopic at print time. After some fiddling with netfab, it seems like ...
1
vote
2answers
338 views

Why do measurements change when switching from Global to Local in edit mode?

Why does the edge length information shown after ticking Edge Info -> Edge Length under Mesh Display change after choosing Global or Local?
5
votes
1answer
684 views

Is there a bpy function to convert from blender units to Imperial?

Is there a bpy function to convert from blender units to Imperial? something like: >>> blender_to_imperial(2.0) ... 6.562' This functionality is ...
4
votes
2answers
10k views

How to make the measuring grid larger?

When starting the blender, there is always a cube on the floor. The floor is actually a grid. My question is how to make this grid bigger so that we can measure big stuff?
6
votes
1answer
1k views

Move object in inches instead of feet?

Whenever I move an object in blender in unit mode(Imperial), it always make it in feet. For example, if I type G Y 12, it will move 12 feet. How can I make it move 12 inches instead?
1
vote
1answer
82 views

DXF file not to scale in Blender

When I open the DXF file in LibreCAD, then it shows the correct size of an object, but when I import that file in Blender, then the size of that object becomes very large.
0
votes
1answer
369 views

Having changed the scene units and unit scale, how can I change the default size of new objects?

I am using blender most of the time to model things for my 3d printer. So a default unit in "meters" is not really helpful! Within the scene settings it is simply possible to set the units to ...
0
votes
1answer
91 views

How to use the array modifier with imperial units

Pretty new to Blender, I'm trying to learn how to make a studded wall. How do I use the array modifier to use imperial units? For example, I would like to create a stud, and have them spaced 16 ...
-1
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2answers
3k views

Create Vertex at Intersecting Edges [duplicate]

For creating my simple mesh, I need to outline it first with vertices and edges, and then fill in the polygons. I am struggling to do simple things that should be the basics and foundations of 3d ...
7
votes
1answer
2k 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 ...
11
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2answers
3k views

How to show more digits in blender when working at a small scale

How can I get more digits in the user interface for modeling. Of course we can scale up the scene always, but that is just annoying, I like to work in millimeters for example which is possible with ...
9
votes
1answer
43k 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 ...
6
votes
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 ...
5
votes
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 ...
2
votes
1answer
547 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 ...
1
vote
1answer
70 views

Units in UV Editor (Imperial to Metric)

as per title, is it possible during image export and during editing to use the metric unit system instead of the default imperial system in the UV editor window I'm using blender 2.80.44 Beta (this ...
8
votes
4answers
8k views

Why is Blender's default cube 2 cubic meters instead of 1?

I had a very frustrating experience with Blender's UI. In the transform section there is location, rotation and scale and I thought scale would be dimensions, which I found out later it is not. Now I ...
8
votes
1answer
6k views

How to measure face size in meters, centimeters or any units which is set?

How can I measure the size of a face in edit mode?
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?
5
votes
1answer
803 views

Why do we apply location, say after we moved an object

Why do we apply that location. If I have multiple objects in blender, I can relatively see each coordinates, and add new one based on existing. If I reset all will be zeros, so nothing to compare.
5
votes
1answer
675 views

What is a sensible scale to work with?

I know the unit in Blender are arbitrary, e.g. you can have one unit represent 1cm, 1ft or 1 mile. I'd like to know if there's an advised (community or otherwise) scale that I should work to. Are ...
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 ...
3
votes
1answer
7k views

Can I change entire scene scale?

Let's say I created some objects without regard to their actual size. Is there a way to set the scale of the scene such that nothing actually changes other than what blender considers the size to be? ...
1
vote
2answers
218 views

Blender 2.8 Boolean inconsistencies

I'm trying a simple boolean add. I select the first object (sphere) then add a boolean modifier (cube). In first attempt with sphere in position 1, the results are as expected. When I move the sphere ...
1
vote
1answer
884 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
vote
1answer
879 views

Should I model my animation assets to real-world scale?

I would like to know what would be considered the best practice when creating assets for animated movies (i.e. I don't need to integrate my models into any live-action plates) When using Blender, I ...
1
vote
1answer
432 views

modeling in blender units

Does it make sense to simply model in blender units? My thinking is if I model in blender units and just think of them as inches, feet, mm etc. Now if I want to append a "blender unit" object into a ...
1
vote
2answers
345 views

What causes these black streaks along certain (concave?) edges?

I have a model with an open mesh terrain surface and some closed building meshes – when rendering in Cycles I'm seeing black streaks along some mesh edges. On the building models it seems to be ...
1
vote
1answer
761 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 ...
1
vote
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 ...
0
votes
2answers
800 views

How to change unit scale for all future meshes

I am new to Blender. After import any mesh to Unreal the size is bigger twice. So I changed Unit Scale to 0,5 But whe I add a new mesh it is bigger twice. Both has scale 1x1x1. Am I missing ...
0
votes
0answers
63 views

Solidify thickness doesn't make sense

I'm using a cylinder with cap fill type set to nothing. I usually add solidify to get the cylinder wall depth. I've been calculating it by knowing that a value of 1 completely fills in the cylinder. ...