Questions tagged [units]

Prior to version 2.9 Blender's default distance unit was an arbitrary Blender distance, known as None. Starting in version 2.9 Blender's default distance system is metric and the default distance unit is the meter. There are also units for mass, time, temperature and rotation. Units can be used when specifying transforms and can be relevant when importing and exporting. Use this tag for questions related to units and their uses.

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Set a Geometry Nodes input property with python and keeping the unit type

Is there a way to properly set a distance value for an input property of a geometry nodes group with python without loosing the value's unit type? I have a Geometry Nodes group with various input ...
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3 votes
1 answer
201 views

how can I make my donut has shadows just like another picture?

how can I make my donut has shadows just like another picture?
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0 votes
1 answer
112 views

Imperial units, math and geometry nodes

I have been trying to follow a YouTube tutorial about geo-nodes. (Luminous labs - BUILDINGS With BEGINNER GEOMETRY NODES 3.0 - Part 1 Color Blocks). I have tried it with my units set to metric and it ...
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1 vote
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How do I align/snap different objects together?

I'm still a beginner and I'm trying to design the Toyota AE86 from Initial D. I'm having a problem where I'm trying to align vertices together so they look as one. For example, I have the hood & ...
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1 answer
30 views

Script coordinates numerical values always interpreted as meter (irregardless of Scene/Units settings)?

I am entering vertex coordinates into Blender using a script. In my case I am using the method mesh.from_pydata(vertices, edges, faces) and data comes through just fine. However, irregardless of the ...
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How to Determine Units of an F-Curve

I'm working on a script dealing with keyframes and I need to change the behavior based on the keyframes' values' units (e.g. meters for Location & degrees/radians for Rotation). How can I ...
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1 vote
1 answer
57 views

How can I effectively create a full face mask?

So I am having some problems, especially with stupid covid messing up my search. I am trying to create a full face mask in Blender but can't as I there seems to be no way to set the circumference of ...
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3 votes
0 answers
26 views

How are edge angles calculated?

I am curious how "Edge Angles" are calculated in Blender. In the picture below, the angle reads under 90 degrees even though it looks greater.
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23 views

Real Life Dimensions of 3D scanned object for printing

I have a NOX Charger Helmet and would like to 3d print a custom GoPro chin mount that will fit the helmet chin area. Something like this: The straps should get around into those 2 air vents from the ...
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53 views

Scale UVs in metric units instead of percentage

[TASK] I'm trying to create a script that gets the current UV unwrap of an object and then fits it into the UV 0-1 square WITHOUT REARRANGING IT and only set the distance between the borders of the UV ...
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Imported complex series of objects, dimensions in meters far too large

I have imported about 50 STL files that collectively constitute a truly awesome Big Bertha cannon. Working with these objects, I now have an elaborate scene with the cannon firing a mantaflow ...
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1 answer
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Top half of donut disappears when trying to hide the icing

Doing the donut tutorial. Duplicated the top half of the torus, made it into its own object, unchecked Edit Mode in the Solidify modifier, clicked Alt + Left Click to select the bottom row of vertices,...
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How to connect all these details and make them work together in correct way?

I have such mechanism. В1 detail is fixed and always in the same place. В4 detail always in parallel to В1 but can change location. I created all details, now I need to make them movable only in the ...
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1 vote
1 answer
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How to connect parts of mechanism and make them relative to each other?

I have number of objects and I want to make them relative to each other. When I change location of one part other parts should either rotate or change their location also.
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1 vote
1 answer
87 views

Edges of clearly different size display same edge length

I am very new to blender and working on my first model: a bed. I'm trying to model it with real world measurements, but I'm having a really hard time. I'm using Blender 2.93a and have a scaled cube ...
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32 views

Grease Pencil 'shimmers' with every frame in viewport

I have a video below, If you see carefully the lines are shimmering, Is there any way to avoid that? https://www.youtube.com/watch?v=aBIJbTTiLlU I tried increasing samples of viewport I tried ...
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1 vote
0 answers
51 views

How to change the amount of increment when dragging the slider in Properties panel?

After I changed Length under Units in Scene Properties from ...
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0 votes
0 answers
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How to set multiple edge lengths to one measurement [duplicate]

I have a project im working on and every edge length is random. I would like to be able to enter a numerical value to set every edge to the same length. All edges are connected to vertices. I tried ...
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2 votes
1 answer
321 views

Blender Units, wrong scale (but different scale) in every direction

I'll keep it short here, I have a model about 65x32x13mm (Both .blend and .obj are here), I was going to attempt to print my model however any time I bring the model out of blender (Export as .STL/....
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0 answers
67 views

I am trying to change the Units of my scene to 0.01 unit scale, on the tutorial I follow nothing happens to the size or grid, but on mine, it changes

I have a model I am trying to move into Unreal, I am following this tutorial where they change the units, on their scene nothing happens, the object stays the same size and the grid doesnt change, but ...
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32 views

What is the name of this function?

I press shift+R in sculpting mode
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1 vote
0 answers
12 views

Height in Object mode does not match the height in edit mode? [duplicate]

I wanted to simply create a cylinder with height of 1cm and a radius of 10cm. So I set the corresponding scales in the toolbar: After that I went into edit mode, I enabled the edge length overlay ...
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1 answer
619 views

How to import DXF file with exact scale in blender

I have import the DXF file in blender. The walls have 6 inch thickness in the CAD file. And when i imported in Blender the scale looks wrong. DXF file Note : I do not want to scale down the mesh and ...
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how to set vertical FOV for a fixed horizontal FOV, pixel width and height in blender?

By using the blender camera, I want the following settings . Pixels width x height = 500x 290 which can be set in resolution x and y of the properties section and horizontal FOV is 120 which is set in ...
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1 vote
0 answers
61 views

Issues setting units to 0.01 meters

When I set the scene units to 0.01 meters several issues appear, and I hope there's a simple solution. When set to adjust origin, the origin access icon is ridiculously tiny (this would be a ...
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1 vote
0 answers
20 views

.OBJ lacking "apply unit" scale option

I'm working on models that are much smaller than the default cube, which seems to lead to a number of issues (auto-merge kicking in too liberally, color ramp coverage being squished towards the center,...
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0 votes
0 answers
74 views

height and scale units not equal

So i made an object that is 2 meter wide and placed it 2m high on the z axis, but compared to the grid in the background it is twice as long as the height of it. What am i missing here?
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1 vote
1 answer
50 views

Change Dimensions on Project

can anyone quickly tell me, how can change the dimensions of my whole project. For example: If I am building a skyscraper and it is to big to navigate, it would be much easier to just put in the ...
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2 votes
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30 views

texture coordinate imperial units

I understand that by default, 1 blender unit = 1 meter. Setting "Scene Properties -> Units -> Unit System" allows me to model in some other units. I tend to use inches. So that's ...
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UV Warp distance units in blender 2.92 not scaling correctly

Using blender 2.92, I have my scene units set to: Unit System: Metric Unit Scale: 1.0000 Length: Centimeters Then I have imported a lego man who is about 5cm and dimensions in "Item" panel ...
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1 vote
1 answer
35 views

How remove face? [closed]

How can i remove that face on angle ?
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1 answer
397 views

Blender Scale and Unit problem, how to fix?

Just a brief info about myself, I am using Alias AutoStudio professionally for almost 5 - 6 years at my work to model yachts and in rare occasions cars. I used Rhino as well, so I have some knowledge ...
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1 vote
0 answers
219 views

blender python insert keyframe matrix from exported data

I have default humanoid rig, and exported animation data using following code reference to csv file. NOTE: I am not using blender's in-built copy animation data as I am planning to modify code further ...
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1 answer
31 views

My objects "exploaded" instead of playing the animation [closed]

So I'm new to Blender and doing my first project. This is the one I'm following: https://www.youtube.com/watch?v=bpvh-9H8S1g But the Tear It Down part for me looked different. Instead of playing the ...
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0 votes
1 answer
254 views

Blender's import scale and units

I want to import STL files which I know to be in mm, but blender displays it in meters. I know that I can change the units in properties->scene, but this converts the the units (1m->1000mm), so ...
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1 vote
0 answers
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how to convert shape to volume?

I have a 3d model (.stl) of building and I want to use it in other software. The walls of the model are built with shapes, and I need the walls as volume. There problem is that the model was made by ...
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1 vote
0 answers
34 views

Unexpected size for script generated mesh

I'm using a script to generate a mesh: https://gist.github.com/dwatrous/efa2ea82fc2269e59afa182bf5ced0df I have my scene units set at millimeters with a scale factor of 1 For some reason, when I run ...
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0 votes
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47 views

Units and Measurements

Scene Properties Units are set to Imperial, which makes each square on the grid one foot. Theoretically, that is. The problem: Viewport Overlay will not allow for 12 subdivisions. Instead the grid is ...
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0 votes
1 answer
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How to get Accurate Scaling When Making New Objects? [duplicate]

I seem to be running into an issue with creating new objects? Could someone please help me? The Set Up I am building a packaging mock up, that requires multiple boxes that slide together. the new ...
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1 vote
1 answer
169 views

Blender Units of scale and solidify modifier

I have my units set to metric, centimeters, and unit scale to 1.0, meaning that each grid square ecuals 1 cm. My object its about 17 cms long, so it is about 17 grid squares long. I all makes sense ...
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0 votes
2 answers
346 views

Extrude by unit amount, not percentage

I've got a simple square plane (Blender 2.83) that is 66 x 66 meters and that I created by first adding a plane, then setting its X and Y dimensions in the n menu ("Item" tab in Object Mode) ...
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2 votes
1 answer
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Why does Extrude and Inset not use the same measuring units? [duplicate]

Hello there Community, I'm modeling a simple blocky logo and want to inset and then extrude by exactly the same amount, but this doesn't happen. When I inset a face by 0.00115... and extrude then by -...
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0 votes
1 answer
229 views

Measure length of "curve" (or similar) by drawing on mesh

I know there are a million answers on here about measuring the length of a curve (like this one, which is pretty much what I want to do) but I feel like this situation is a tiny bit different. I have ...
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0 votes
1 answer
27 views

How to set Dimensions Unit and Metric unit on the same ratio?

How you can see, on the Dimensions (metric) it says my cube is 2x2x2 but on the Scale tab it is 1x1x1. How can I set it so, that the metrics are same as dimensions?
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-1 votes
1 answer
45 views

Hi I'm following this tutorial and I can't see the "modified cube" in the final render

Hi I'm following this tutorial and I can't see the "modified cube" in the final render. Here's a link https://www.youtube.com/watch?v=icMn25j2yy0&t=823s attached is how it looks on my ...
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0 votes
1 answer
122 views

Blender 2.9 Extrude by 3ft Manually Problem

I've been getting back into Blender after a long time away from it. I used 2.79 a lot before, but since I'm using 2.9 right now, I'm having trouble accessing some features I use to use. I need to ...
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1 vote
0 answers
59 views

Set unit precision and decimals

I'm working in millimeters and I don't need anything smaller than 1mm. When I extrude or move a plane etc to say 100mm, I notice it's actually something like 100.22mm after checking the measurement ...
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0 answers
173 views

How to view larger objects in blender

I have imported a large topo surface inthe DXF format it's area is around 10000 sq meter . When I have imported the DXF file is not visible but the properties of that DXF file is available in ...
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1 vote
2 answers
1k views

Export to .STL Format In Correct Scale - Inches

I've tried and tried to 3D print models that I have created, and I need them in .stl format. When modeling in Blender, I change the units in Blender to Imperial - Inches. However, whenever I try ...
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1 vote
0 answers
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setting scene unit size for very small scale

Coming from a Softimage background - attempting to using Blender for a cellular explainer. It makes sense to use Micrometers as a length unit, so in the SCENE I have set: Unit System to: Metric ...
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