furnace/papers/icons.md

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To generate a new letter icon:
- Open `icons.sfd` in FontForge.
- Open "IBM Plex Sans Medium" to the side. Return to the icons font.
- Copy char EFF0 (the one with just two baselines) to the new codepoint.
- Open the new codepoint.
- Select the upper baseline.
- Use `Element | Insert Text Outlines...` to place text:
- Turn off "Scale so text width matches path length".
- Align "centered".
- Type first line of text into the box.
- Click the "Insert" button (might need window resize to be visible).
- Delete the baseline.
- If there's a line 2, repeat for the lower baseline, including deletion.
- Select all.
- Use `Element | Transformations | Transform...` to Scale Uniformly and Move as needed:
- One letter: 12000%, X -896, Y 120.5.
- Two letters: 10000%, X -896, Y 204.2.
- Three letters: 8000%, X -896, Y 288.
- Two lines: 8000%, X -896, Y 723.5.
- If resulting glyph is too wide, repeat all steps starting with "IBM Plex Sans Condensed Medium" instead.
- Remember to close the other IBM Plex font or select the proper one in the text dialog.
Note: Codepoints EFF0 to EFF4 are for reference and shouldn't be used.
Note: WSG icon (F01F) has been slightly kerned to fit.