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So I want to make a model for 3D-printing and searched for a guide on how to change the units to metric units first of course, but the guides I found were totally outdated, because there seems to have been massive changes to the UI. I don't even know where to start in the Manual and got kinda lost in the pages there without finding an answer.

What I want to do:

1) Change the "blender" units to metric units.

2) Display the volume of objects in Blender.

Thank you guys so much in advance for any help!

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  • $\begingroup$ PS: I am new to using the program, so please excuse me if my question is dumb. I read on a guide on how to do a 3D printing object in Blender from 2 years ago and the author said that you have to change the units from "Blender units" to "metric units" and describes a "properties" submenu, but I am unable to find the menu, because the UI has totally changed and the description of which icon has this function doesn't fit anymore. $\endgroup$
    – x47
    Commented Dec 17, 2019 at 13:07
  • $\begingroup$ Hello and welcome. Please keep only one question per post, ask as many as you need. Also do a search before posting, these are very frequent questions and have already been answered before. blender.stackexchange.com/questions/63113/… blender.stackexchange.com/questions/17966/… blender.stackexchange.com/questions/153681/… $\endgroup$
    – Duarte Farrajota Ramos ♦
    Commented Dec 17, 2019 at 13:22

1 Answer 1

Reset to default
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Just to make it easier for other 2.8x users.

Change your units to metric.
Properties panel > Scene Tab > Units

enter image description here

To check the volume of objects, enable the 3D-Print Toolbox addon.
Preferences > Addons and click the checkmark.

enter image description here

After it's enabled, you can see the volume here.
Sidebar > 3D Print tab

enter image description here

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  • $\begingroup$ This answer is great, but I don't see that sidebar for the add-on on the right side... It kinda looks like this to me: ibb.co/gvwRbh5 ... how did you add the pictures to the post? $\endgroup$
    – x47
    Commented Dec 17, 2019 at 13:57
  • $\begingroup$ Hey there :). View > Sidebar. Or just click the little arow on top . Or press N. $\endgroup$
    – jachym michal
    Commented Dec 17, 2019 at 14:38
  • $\begingroup$ Also, you can now mark the answer as accepted ✓. ;) $\endgroup$
    – jachym michal
    Commented Dec 17, 2019 at 18:03
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    $\begingroup$ Man I hate it when they disappear before hitting the damn accept button. :P $\endgroup$
    – B Layer
    Commented Aug 27, 2020 at 2:52
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    $\begingroup$ @BLayer Yeah, it used to bug me too :D. $\endgroup$
    – jachym michal
    Commented Aug 27, 2020 at 4:16

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