Spoolworth: 3D Print Profit
Cost calculator & profit log
About
Calculate the true cost of 3D prints beyond filament, including electricity, printer wear, and your time. Generate professional quotes, track sales, and analyze profitability for your 3D printing side hustle.
What's New in Spoolworth
1.3.1
October 18, 2026
Fixes for the feedback form. At the largest text sizes, the line you are typing and the character count now stay above the keyboard. Your phone shows by its name, such as iPhone 12 Pro Max, on the form and on the Sent receipt. The "What's new" note is now a short receipt that fits its content. Settings now lists Know Your Plays, the new name for PlayLock.
MoreSubscriptions & In-App Purchases
Pro Annual
All Pro features, billed yearly.
Developer apps
FAQ
What is Spoolworth's true cost calculation?
Spoolworth calculates the true cost of a 3D print by factoring in filament, electricity usage, printer wear and tear, failed prints, multi-color purge waste, your time, and consumables. This goes beyond basic filament cost calculators.
Can Spoolworth import data from my 3D printer slicer?
Yes, Spoolworth can import G-code or sliced .3mf files directly from popular slicers like Bambu Studio, OrcaSlicer, PrusaSlicer, and Cura. This automatically fills in grams and print time for your quotes.
How does Spoolworth help with selling on marketplaces?
Spoolworth calculates suggested prices with your real margin and break-even points. It also accounts for marketplace fees from platforms like Etsy, eBay, Amazon Handmade, and Shopify, showing you what you'll net after fees.
Does Spoolworth require an account or cloud sync?
No, Spoolworth is designed for privacy. It does not require an account and does not use cloud sync. Your job and financial data remain on your device.
What features are included in the free version of Spoolworth?
The free version of Spoolworth includes the full cost calculator, slicer import functionality, the ability to generate quote cards, and allows you to save up to 3 jobs. Pro features require a one-time purchase.
How often is Spoolworth updated?
Spoolworth was last updated on October 18, 2026, with version 1.3.1. Updates typically focus on improving features and ensuring compatibility with the latest devices and software.
What is the pricing for Spoolworth Pro?
Spoolworth Pro is available as a one-time purchase, allowing you to keep the features forever. There is also a Pro Annual subscription plan available for $4.99 per year.
Can Spoolworth track my spool inventory?
Yes, the Pro version of Spoolworth includes spool inventory tracking. It deducts filament used for printed jobs, including purge waste, and warns you before a spool runs out.
