The Save the Date layout. Fill in the fields, copy the result, paste into a new meeting body. Works in any email client.
The preview updates as you type.
This is what gets pasted into your meeting body.
Click "Copy HTML to Clipboard" above, then follow the steps for your email client.
Open your calendar → click New event. Click into the body area below the date/time. Paste (Cmd+V on Mac, Ctrl+V on Windows). Design appears intact and text remains editable.
Open Outlook → New meeting → click into the body → Paste. Layout, hexagon and line survive because they're inline images. Outlook desktop may substitute Arial Black for Outfit, which is expected.
Create a new event → click Add description → Paste. Google Calendar supports rich HTML in descriptions.
Create a new event → click into the notes/description area → Paste.