Licence terms
Buying a product gives you a licence to use it. You don't buy the copyright. These terms apply to every product unless its page says otherwise.
Spreadsheets, templates and guides
- Personal licence: use it for yourself or your own business's internal work. No resale or sharing of the files.
- Using it with clients, or redistributing it, needs a commercial licence. Ask.
- Includes bug-fix updates to this version (1.x).
- Documentation included. Bug reports answered by email within 2 business days. One-to-one setup help isn't included.
3D print files (STL, STEP, OpenSCAD)
- Personal licence: print as many as you like for your own use. No resale of the files.
- Selling printed parts needs a commercial licence. Ask.
- Includes fixes to this design version.
- Dimensions, print settings and assembly notes included. Fit issues answered by email.
Software (Raspberry Pi and display software, when released)
- Per-installation licence for personal use. Commercial venues (bars, offices, client installs) need a commercial licence.
- Commercial and installer licences are available on request.
- All updates within the purchased major version (for example 1.x). Major new versions may be a discounted paid upgrade.
- Documentation, a diagnostics report and email support for the tested configurations listed on the page.
Everyone
- You may modify files for your own use. You may not publish, resell, sublicense or share the originals or modified copies.
- Third-party services and data a product connects to (for example device APIs or data feeds) are governed by their own terms.
- Refunded or charged-back purchases end the licence.
Starting draft, pending legal review. Last updated October 21, 2026.