I'm trying to install modules (one of them is open3d) with pip command.
From 2.8+ it should be easy as pip install open3d (mentioned here or here), but ...

cd /.../Blender\ 92.app/Contents/Resources/2.92/python/bin
python3.7m -m pip install open3d

results with Terminal report

zsh: command not found: python3.7m

The last one thread I found was a notification - pip is installed from 2.8+ for Win, but not for Linux/Mac builds. So I wanted to install pip with ensurepip as mentioned here ... into Blender's bin folder (where python3.7 file is stored) with command ...

python3.7m -m ensurepip

... but it fails with the same report

zsh: command not found: python3.7m
  • $\begingroup$ Have you tried just python -m pip install ... (from within the bin folder) $\endgroup$ – WhatAMesh Feb 13 at 21:11
  • $\begingroup$ sure, but it goes to Mac's Python with report "...Python: No module named pip" $\endgroup$ – vklidu Feb 13 at 21:33
  • $\begingroup$ Related blender.stackexchange.com/questions/5287/… @vklidu do you have an installed system python matching blender pythons version? If so (IMO) it is sometimes simplest to pip install foo --user to have 3rd party module available for both system and blender python of same version. $\endgroup$ – batFINGER Feb 14 at 16:13
  • $\begingroup$ @batFINGER No, system python is 2.7 on Catalina for some reason, so I don't want to break something (also it was recommended reddit.com/r/learnpython/comments/fux0iv/… to keep it untouched and rather install python3 within into virtual envi) and also don't install modules globally. So it sounds as more problems for me ... $\endgroup$ – vklidu Feb 14 at 16:42
  • $\begingroup$ @vklidu No?? , by system, meant on the system (as opposed to blender python install) eg via a pyenv, (not changing your system's default python) . stackoverflow.com/questions/42988977/… As noted in 3rd party link can remove (rename) blenders python folder and use a matching version on your system. $\endgroup$ – batFINGER Feb 14 at 17:01

For some reason using cd to blender's python bin folder and then executed command was not working, but ... path to blender's bin folder with python3.7m + command executed at once worked just fine.

Do I have a "pip"?

I don't know if 2.80 was distributed without a pip (as mentioned above), but 2.79 and also 2.83 Mac build containes a pip ... executing ensurepip was satisfied. You can check that by right click on Blender.app icon > Show Package Contents > Contents > Resources > 2.9x > python > bin, drag&drop bin folder into Terminal window, type python3.7m -m ensurepip and execute. In my case it looked like ...

/Users/Filip/Downloads/Blender\ 92.app/Contents/Resources/2.92/python/bin/python3.7m -m ensurepip

Upgrade "pip"

Terminal recommend update pip to latest version. So copy&paste directory of bin folder or drag&drop bin folder again into Terminal window, type python3.7m -m pip install --upgrade pip and execute. My example ...

/Users/Filip/Downloads/Blender\ 92.app/Contents/Resources/2.92/python/bin/python3.7m -m pip install --upgrade pip

Module installation

From what I tried, even without pip care I could just install module by command
python3.7m -m pip install + type your module name. In my case open3d module...

/Users/filip/Downloads/Blender\ 92.app/Contents/Resources/2.92/python/bin/python3.7m -m pip install open3d

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