From Claudia Hauff's Paper Note Filler repo README

Installing the plugin manually

Note The plugin is not available via the Obsidian Hub as it takes quite a long time to get through the PR queue and the review process. This plugin is so niche and simple that it is not really worth it. So, manual installation it is.

  1. Locate your vault folder and note down the path. You can find the folder name at the bottom left of your Obsidian window. If you click on the name, and then Manage vaults you see the full path to the vault folder.

  2. Open the terminal and cd into the .plugin directory inside your vault folder. For example, if your vault folder is inside your home directory and is called my-obsidian-notes, you do:

    cd ~/my-obsidian-notes/.obsidian/plugins/
  3. Create a new directory called paper-note-filler inside the plugins directory and cd into it:

    mkdir paper-note-filler
    cd paper-note-filler
  4. Download main.js, styles.css, manifest.json from the latest release (not the cloned github repo!) to the just created directory.

    curl -LO https://github.com/chauff/paper-note-filler/releases/download/1.0.5/main.js
    curl -LO https://github.com/chauff/paper-note-filler/releases/download/1.0.5/styles.css
    curl -LO https://github.com/chauff/paper-note-filler/releases/download/1.0.5/manifest.json

    Check with ls -al if the three files are now appearing in the paper-note-filler folder. Make sure they are not empty (more manifest.json should show a few lines of JSON).

    If the files are empty (GitHub downloads are not always straightforward with curl), use the browser, head to the release page, download those three files via the browser and then move them into the paper-note-filler directory.

  5. Restart Obsidian.

Ideally, this is it and the plugin is now installed. A simple way to check this is to now open the settings tab of Obsidian. Everything worked if the Paper Note Filling plugin listed under Community Plugins. If not, check the community-plugins.json file in the /plugins folder and add the plugin name manually if necessary and then restart Obsidian one more time.