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Questions pertaining to measurements in Blender. Real measurements as well as Blender units are acceptable.

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1answer
31 views

Adjusting Scene Scale with BLAM to real world estimation measurement

I am remodelling a scene from -presumably- a photo. Using BLAM addon. I would like to know how to adjust the 3D model in the scene. To the real world estimated measurement. As can be seen in the ...
1
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1answer
17 views

Using some kind of unit of measurement for scale?

So I'm not very experienced in making scenes. So for my first attempt at doing so I want to make a scale model of my apartment. I'd like to make it last night and still possible, but I don't know how ...
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3answers
48 views

Area of bottom polygons using obj.to_mesh post modifier but without applying it

First of all, I'm quite new to python so please bear with me if I'm asking dumb questions. I've seen similar questions answered but still can't get where I want. Say we have an active object in the ...
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0answers
20 views

How can I get the sum of a measurement in Blender? [duplicate]

I know in the N panel you can turn on edge length. But what about seeing the measurement "around" an object. like the sum.
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1answer
37 views

set distance between verticies

I'm on blender v2.79 and could not figure out how to set distances between vertices(or anything) in blender. I'd like the distance between the two selected point in this image to be 77cm or in my ...
2
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1answer
34 views

Measurement of the “Straightened” length of a path

So, I'm having a bit of trouble with scaling. An object I'm making involves the use of a path to form a curved surface, but I need the resulting curve to be within about 1% of an exact length. So, if ...
3
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2answers
70 views

Getting 0 Volume for object

I am trying to calculate the volume of a 3D scanned object using the 3D Print add on. The object was captured with a structure sensor/ipad and then imported to Blender (version 2.79). The scanned ...
1
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0answers
45 views

Virtual prototyping with Blender?

I'm currently designing furniture in Blender and was wondering if anyone has ever used Blender for virtual testing? Specifically, if Blender has tools to ensure that parts will fit, structural ...
0
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1answer
87 views

How to scale the scene relative to an objects metric values?

I have created an office desk in Cycles and am very pleased with the result and how it appears to the eye. It is only now that I have changed the scale to the metric system and want to re-scale the ...
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0answers
19 views

Straighten vertices along a line without changing line lengths

I need to use the circumference of a shape to calculate its height with that circumference as my physical reference. I have a cross section of the shape isolated, but it's a lot vertices in a pretty ...
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0answers
24 views

object size will not save

I will change the size of an object and make sure it is scaled to life and if I reopen the file it resorts back to blender units and for some reason the scale between separate objects is inconsistent. ...
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0answers
11 views

Measuring the Surface of a Model Generated by a 3D Scanner

I am trying to take circumference and length measurements along the surface of a model generated using a 3D body scanner. I am hoping to measure a scanned body as it would be measured with a measuring ...
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0answers
15 views

Insert Measurements Numerical?

Is there a way to insert measurements numerical so it changes a model? Example: I'm making a box with angeled corners and I want all the corners to get exactly thesame degree. Is there a place to ...
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0answers
73 views

Measureit addon not accessible

I am using Blender v2.79 in Linux Mint 18.3. Blender seems Ok but measureit is not shown in the list of addons under the User Preferences - Add-ons tab. There is a /usr/share/blender/2.79/scripts/...
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0answers
41 views

Is there a way to do absolute measurements in edit mode?

What I'm trying to accomplish is something as simple as grabbing a line or two verts (maybe more complex objects if possible) within edit mode and then setting their scale to an absolute measurement. ...
1
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2answers
374 views

How to compute the centroid of a mesh with triangular faces without using Blender's built-in functions?

I do not want to use Blender's built-in functions for computing centroids as explained here as it seems that they do not give me the kind of centroid I expect to get. I want to compute a new centroid ...
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0answers
31 views

trying to measure distance between (animated) objects (including a camera) for previz

i have just started using Blender for previz and i have a couple of characters and a camera which i have imported from iClone using FBX. i need to get the distance from camera to characters at the ...
1
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1answer
203 views

Blender for Engineering: Numbering and naming objects in blender

I am working on technical drawings with Blender using MeasureIt. I am following for making blueprints of specifical parts this youtube tutorial, and it works great. But when I am producing "big ...
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0answers
169 views

MeasureIt is this a bug?

i try to measure my drawing with the "MeasureIt" Addon. The measurement should look like "A". The result is "B". Ok i think, maybe that's because the Verts belong to two different faces. So i copy the ...
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0answers
273 views

How to set the distance between objects accurately?

I want to have the same distance between all objects.
2
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1answer
134 views

Cycles: Is there a way to find the angle between incidence and reflection rays?

Is there any point, be it through cycles nodes, OSL, or even somewhere in the code of Cycles itself, where the angle is known between the camera/incidence ray and the reflection ray for a given bounce?...
3
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1answer
134 views

How can i measure projected area of any object in blender ? (Ex. shadow from top view)

I'd like to measure the area of the projected front, top or side view of an object. please give me some suggestion Thank you.
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0answers
69 views

How to control/change the unit of measurement precision of the ruler?

How to change the ruler's unit of measurement precision to show only 10ths, 100ths, 1000ths, etc. appropriate to the scene (e.g. architectural vs precision machining). Example: x to y measurement = ...
-1
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1answer
138 views

Precise measurements not adding up to scale

I'm using blueprint data in conjunction with imperial units to, hopefully, create 3D models of machine parts, which I will later attempt to fit together. Beginning with an eccentric shaft, I input ...
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0answers
104 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 ...
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0answers
48 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?
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2answers
387 views

What are the Measurement Units

i was doing a project of making drone parts which i want to 3D print but i don't know how the measurements in blender are going to be the same as the ones in real life so can anyone help me
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0answers
73 views

How do I get even thickness in my high-poly model?

Good afternoon, thank you for you time. I've got a very high-poly model from a 3d scan. Im trying to get the object to be 3/4" thick all the way around. At first I thought I would use the Solidify ...
0
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1answer
167 views

Scale and change certain measurements of 3D image that was imported as .svg file

I have converted a 2D image of an animal into a 3D image in Blender (as an .svg file). I was wondering if I can give the image proper measurements based on a dataset I have (I've attached an image ...
4
votes
1answer
2k views

Surface Area and Volume Measurements

I am fairly new to Blender and I'm hoping to find a way to easily calculate surface area and volume of irregular objects in Blender. I was looking into the Measureit addon, however it seems that I ...
3
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1answer
206 views

Ruler disagrees with vertices

I select a point in edit mode, and it gives me some reasonable xyz Vertex values in the "Transform" area (for example 955, -455, 100). I select another point and I also get reasonable values (for ...
12
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1answer
5k views

Is it possible to display volume of a mesh object?

How can I display volume of any mesh object? I can display length of an edge, the area of the face, but nothing for volume. Is it possible?
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2answers
938 views

Can't Keep Loop Cut & Slide Where I Want With Measurements

Whenever I'm adding loop cuts to my model, I drag the cut to the edge of the model and type in a value (such as 0.5 meters) and it goes back to the center and works from there..? I'm pretty sure I'm ...
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1answer
908 views

How do I measure the distance between two UV vertices?

I am using Blender version 2.77a. I am attempting to make a paper model of a mesh that has been UV mapped, but not to scale. I need to: Measure the distance between any two vertices on a UV map Make ...
3
votes
1answer
344 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 ...
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0answers
44 views

Navigate/Measure real objects in real space - possibly with Blender's Motion Tracking

Can Blender be used for solving such a kind of task? Navigate a (real) small boat to the four corners of a (virtual) rectangle on a (real) water plane. The rectangle is about 300 meters long and ...
2
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3answers
514 views

Blender Python convert units to imperial

I'm writing a script that needs to make geometry using imperial units. The scene is set to imperial however this has no effect on Pythons end of things. I need to know the value that equates to an ...
0
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1answer
148 views

Display length of object to render, dynamically

I have an object that is a line that fallows the animation path of a bone. Is there a way to display the length of the arm in text (that can be rendered) that changes the numbers as the arm stretches? ...
3
votes
2answers
505 views

Make changes to the Radius of the default Circle?

How can I create a circle with a certain diameter/radius? I know there's a way, but I don't know how to.
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0answers
550 views

How do I get the volume of an object that is created along a Bezier curve?

How do I get the volume of an object that is created along a Bezier curve? I had filled the caps and transformed the object from curve to mesh. For showing the volume of this object I tried out the ...
3
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0answers
1k views

Showing the dimensions of an object when rendering?

In Sketchup, we can display the dimension of a specified edge as below. Is there a way to do display that in the final render in blender?
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0answers
134 views

how to create metric map and metric buildings/vehicles/etc in blender?

I'm going to create a metric map with scale 1000 x 1000 meters then create buildings and roads and vehicles with the same size as real world size. a project for both animation and export to unity 3D. ...
7
votes
1answer
687 views

Picking two points on the 3d model surface to measure distances

I'm a blender n00b and this may be a wrong tool for the job, but I've found some great features in Blender (like the caliper add on), so I'm pretty sure there's a way to easily (or at least bit easier)...
1
vote
1answer
770 views

Measuing an irregular volume from an .stl mesh

I'm quite new to blender so please, any help you can give is much appreciated. I am trying to measure the volume of an irregular object (e.g. a mold of clay) on either a concave or convex surface (...
3
votes
3answers
5k 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?
8
votes
1answer
2k 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 ...
3
votes
1answer
964 views

How to get the dimension of multiple objects?

I have downloaded car models where each model consists of multiple meshes including some modifiers. I would like to determine the dimension of the set of all these objects (window, bumper, trunk, ...)....
13
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1answer
16k views

How do you access the ruler?

No matter what I select or where I look I can't find the ruler anywhere. I'm using Blender 2.74, what am I doing wrong?
2
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0answers
356 views

Is there a tool to check if two meshes will fit together?

I need to make a car from several parts. I created the lower body and the upper body. These parts (separated objects) will be 3D printed. I want to check if the objects fit together. I need a tool ...
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2answers
108 views

How to preserve measurements when manipulating an object

I’m making kitchen cabinets for a project of mine and here’s a problem I ran into: The cabinets should have spaces in between them and at the same time the measurements are supposed to be preserved ...