Filament Forge: 3D Print Log

Everything on one bench

Five tools built around the way makers really work: spool by spool, print by print.

Track every spool

Add spools with material, color, brand, weight and price
See remaining filament in grams and meters at a glance
Low-stock warning before a long print runs dry

Know what it costs

Filament calculator: grams, meters and spool share for any model
Cost with material, electricity and machine wear
Compare cost per part across materials

Log every print

Journal with photos, print time, settings and result
Mark success or fail and note what went wrong
Search and filter by printer, material or tag

Calibrate with checklists

Bed leveling, first layer, e-steps, flow, retraction and temperature towers
Create your own maintenance checklists
Slicer profile notes per printer and material

Level up as a maker

Earn XP for every finished print and checklist
Climb ranks from Novice to Forge Master
Unlock achievements, keep your streak alive

Private and offline

Works fully offline
No account, no sign-up, no tracking
Your data stays on your iPhone

Cost forge: try it

Material

Model weight

Print time

Electricity per kWh

Estimated cost of this print

About us

🧵 We are a small crew of makers who got tired of half-used spools, scribbled settings and prints we could never reproduce. Filament Forge grew out of our own workbench.

🎯 Our mission is simple: make the craft of FDM printing more organized, more affordable and a lot more fun, whether you run one printer or a whole farm.

🏆 The app gives you spool tracking, cost calculators, a photo print journal and step-by-step calibration checklists, then rewards progress with XP, ranks, achievements and streaks, all working fully offline.

🔥 Print more. Waste less. Forge on.

Privacy policy

Effective Date: October 2026

Filament Forge: 3D Print Log does not collect, store or transmit any data. Everything you enter runs and stays locally on your device.

1. Information We Collect

None. We do not collect personal information, usage data, device identifiers, or location. Your spools, print journal entries, photos and checklists are never sent to us.

2. How We Use Information

Because we receive no information, we do not use, analyze, share or sell any. The app only uses what you enter to show your own spools, costs, logs and progress.

3. Data Storage

All data is stored locally on your iPhone. There is no cloud storage and no server-side copy of anything you create.

4. Third-Party Services

The app contains no analytics, advertising networks, trackers or third-party SDKs that gather data.

5. Data Security

Your data is protected by the security features of your device. Since nothing leaves the phone, there is nothing for us to expose. We recommend keeping your device locked and updated.

6. Children's Privacy

We do not knowingly collect information from anyone, including children under 13, in line with COPPA. The app has no accounts, chat or ads.

7. Your Control

You are in full control. No account is needed, and you can delete all app data at any time by uninstalling the app.

8. Changes to This Policy

If this policy changes, we will update it on this page and revise the effective date. Our core promise of collecting no data will remain.

9. Contact

Questions about privacy? Write to privacy@filamentforge3dprintlogapp.com.

Contact us

💌 Got a question, a bug, or an idea for the next feature? Drop us a line, we love hearing from fellow makers.

Generalhello@filamentforge3dprintlogapp.com Technical supporthelpdesk@filamentforge3dprintlogapp.com Business & partnershipspartners@filamentforge3dprintlogapp.com

⏱️ We reply to every message within 24 to 48 hours.