Cost comparison
Local vs cloud 3D model management: the real cost
By Petros, who builds Meshory · Updated Sep 28, 2026 · 7 min read
Every 3D print library lives in one of three places: the disk in front of you, a server you run, or somebody else's cloud. The choice is usually argued on principle, which is the least useful way to settle it. This page does the arithmetic instead: what each option costs to start, what it costs to keep, and what you get for it.
Cloud model managers pitch convenience: no install, no hardware, your library on your phone at the makerspace. But 3D print libraries are unusually large and unusually cold. Most of the files are never opened again, and the ones that are get opened on the machine that runs the slicer.
The upload is the part nobody budgets for
Before any monthly fee, a cloud library has an entry cost measured in days. The arithmetic is worth doing yourself rather than taking on trust, so here it is with the assumptions in the open.
Take a 3.5 TB library, which is the size of the NAS drive Meshory was built against. A common home upload speed is 40 Mbps. 3.5 TB is 28,000,000 megabits, so at 40 Mbps that is 700,000 seconds of continuous transfer: about 194 hours, or eight days without pause. Halve the library and it is four days. Double your upload speed and it is four days. It stays measured in days across every realistic combination.
| Library size | At 20 Mbps up | At 40 Mbps up | At 100 Mbps up |
|---|---|---|---|
| 500 GB | 2.3 days | 1.2 days | 11 hours |
| 1 TB | 4.6 days | 2.3 days | 22 hours |
| 3.5 TB | 16 days | 8 days | 3.2 days |
None of that is a criticism of any particular service. It is bandwidth. But it does mean a cloud library is a decision you make roughly once, because redoing it is a week of your connection, and it explains why cloud organizers tend to be popular with people whose libraries are small and unpopular with people whose libraries are the problem.
What each option costs to keep
Rather than quote prices that will be wrong by the time you read this, here are the formulas. Fill in today's numbers from whichever services you are actually weighing.
| To start | To keep, per year | Ends when | |
|---|---|---|---|
| Cloud service | Days of upload | Price per TB per month x your TB x 12 | You stop paying |
| Self-hosted server | A box, plus an evening of Docker | Electricity for a machine on 24/7, plus your maintenance time | The hardware dies |
| Local desktop app | Minutes, files stay where they are | Nothing recurring, but see the backup section | Never, if the licence is one-time |
The shape that matters: cloud cost scales with how much you own and never stops, while local cost is flat and finishes. A hobbyist with 200 GB may find the cloud fee rounds to nothing. Someone with 3 TB and a habit of backing Kickstarters is signing up for a bill that grows every month they keep printing. Meshory sits in the local column as a one-time purchase: pay once, and the library costs nothing more however large it grows.
Local done right includes a backup
An organizer that indexes files in place is a catalogue over your storage, not a second copy of it, so a local library is only as safe as the drives it lives on. That is true of your files today, with or without any organizer, and it is cheap to fix.
A second drive, or a plain offsite backup service, costs a fraction of a cloud organizer's per-terabyte fee, because backup storage is priced for cold data and does not need to render thumbnails or run a web viewer. Put the software in the local column, add a backup drive, and the local total still comes out ahead once a library passes a terabyte.
If you take one thing from this page, make it this: whichever column you choose, decide where the second copy lives. A perfectly organized library on one drive is one drive failure away from nothing.
What going local gets you
- It works at any size. No storage tier to outgrow and no upload to finish before you can start.
- It works with no connection. The library, the previews and the search are all on your machine, at disk speed.
- It costs nothing recurring. The price stays flat however many Kickstarters you back.
- Your models stay yours. Nothing is handed to a company that might change its pricing or shut down.
The trade is phone browsing and shared accounts. If several people each need their own login to the same library, that is the job of a self-hosted server, and that page covers what running one costs. For one person's print library, local is the better deal on every line of the arithmetic.
A rough decision rule
- 1Over a terabyte, mostly cold, mostly yours alone: keep it local, and spend what you would have paid monthly on a backup drive.
- 2Growing every month: keep it local. A cloud bill grows with the library; a one-time license does not.
- 3Unsure: start local, because it is the reversible option. Files stay where they are, so changing your mind later costs nothing but the upload you would have done anyway.
- 4Several people each need their own login: that is what a self-hosted server is for.
If you land in the local column, is paid software worth it shows what a one-time license buys over a free one, and the features page lists every format Meshory reads where it sits, archives included.
Local versus cloud questions
Is cloud 3D model storage cheaper than local?
Not for a library of any real size. Cloud cost scales with how much you own and recurs forever, while a local drive and a one-time application are flat and finish. The exact crossover depends on today's per-terabyte prices, but the shape of the two curves does not change, and a growing library only moves further into the local column.
How long does it take to upload an STL library to the cloud?
Days, for any library big enough to be a problem. At a common 40 Mbps home upload speed, 1 TB takes about 2.3 days of continuous transfer and 3.5 TB takes about eight. That entry cost is usually left out of cloud comparisons and it is often the deciding factor.
Do local 3D model managers back up my files?
Managers that index in place build a catalogue over your existing storage rather than a second copy of it, so keep a backup the way you would for any important files. A second drive or a cold-storage backup service costs far less per terabyte than a cloud organizer.
Can I use a local manager with files on a NAS?
Yes. A desktop manager can index network shares alongside local drives, which is the common setup for larger libraries: the files live on the NAS, the application runs on your workstation, and nothing needs installing on the NAS itself. That is different from self-hosting, where the software runs on the NAS and you reach it through a browser.
What happens to a cloud library if the service shuts down?
You get an export window, if you are lucky, and then a download measured in days. It is the mirror image of the upload problem. A local library has no such exit problem: the files never left your drives.
Which is better for privacy?
Local, straightforwardly: files that never leave the machine cannot be scanned, shared or breached. Whether that matters depends on your library. For most people these are paid-for models rather than secrets, and the practical concern is losing access if a service changes, not exposure.
The local option, with nothing to upload
Meshory indexes the folders and NAS shares your models already live in. No account, no upload, no recurring fee. Try it on your own library before deciding anything.