About these tools

Print Seller Tools is a small set of free calculators for people who sell 3D prints, on Etsy, on their own shop or at a market stall.

Who makes it

A small team in New Zealand. The site is built with AI assistance: an AI model writes much of the code and text, and the team decides what to build, checks the figures and reviews the result. We say so because you should know how the numbers you rely on were made.

How the numbers are checked

• Every calculator shows its formula and its assumptions on the page, under “How this is worked out”.
• The maths for each calculator is tested automatically, and a second program written separately in another language recalculates thousands of random cases and must agree to the cent.
• Fee rates, printer power figures and filament densities come only from the company’s own pages or data sheets. Each is shown with the day it was checked. Where a figure could not be confirmed on the company’s own page, it is left out rather than guessed.
• Every preset can be changed. Your fee statement is always more accurate than ours.

What it does not do

There is no account, no sign-up and nothing to install. The calculators run in your browser; what you type is not sent anywhere. See the privacy page.

The results are estimates to help you price. They are not tax or accounting advice.