Terms
Last updated 1 November 2026
Using our tools
Each tool comes with its own licence, included in its download. Unless that licence says otherwise, you may use the tool for your own work, including commercial projects, but may not resell or redistribute it.
Check your drawings and quantities
Our tools help you produce drawings, dimensions and estimates. You are responsible for checking them against known sizes before anyone builds, prices or relies on them.
No warranty
Tools are provided as they are, without warranty, to the extent the law allows. Save your work often. We are not liable for lost work or indirect losses to the extent the law allows.
Courses
A course purchase is for your personal use. Please do not share your login or re-upload the lessons.