Cost comparison

Local vs cloud 3D model management: the real cost

By Petros, who builds Meshory · Updated Sep 18, 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 give up. We sell one of the three, so the honest disclosures are marked as we go.

Cloud model managers are genuinely appealing. No install, no hardware, your library on your phone at the makerspace, and a copy of everything that survives your house burning down. Those are real benefits and nothing below argues otherwise. The problem is narrower than the pitch suggests: 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.

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.

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. Our own pricing sits in the local column and is a one-time purchase; that is the disclosure, and the arithmetic above works the same whichever local tool you pick.

The cost local people forget: backup

This is the strongest argument for the cloud and it deserves stating plainly rather than buried. A cloud library is a backup. A local library is not. If your drive fails, a local organizer has nothing to restore from, because indexing files in place means the index is a convenience layered over your storage, not a second copy of it.

So the honest local total is the software plus a backup strategy, and a second drive or a backup service is a real recurring line item you should add to the local column before comparing. Plenty of people conclude that if they are going to pay for offsite storage anyway, paying a service that also organizes the files is the simpler answer. That reasoning is sound.

What you give up going local

Being specific about this is more useful than a feature table, because the losses are concentrated rather than spread out.

• Your phone. A local library is on the machine it is installed on. No browsing from the sofa, no showing someone a model at a meetup.
• Sharing. No links to send, no accounts for a partner or a club, nothing published. If several people need the same library, a local desktop app is the wrong shape and a self-hosted server is the right one.
• Offsite safety by default. Covered above, and it is the real one.
• Zero setup on a new machine. A cloud library follows you to a new laptop; a local one has to reindex.

What you get in exchange is that the library works at any size, works with no connection, costs nothing recurring, and never asks you to hand a few terabytes of paid-for models to a company that might change its pricing or shut down. Whether that trade is worth it depends almost entirely on how large your library is and whether anyone else needs to see it.

A rough decision rule

1. 1Under about 100 GB, and you want phone access: use a cloud service. The upload is an afternoon and the fee is small. Stop reading.
2. 2Several people need the same library: run a server. That is what they are for, and no desktop app substitutes.
3. 3Over a terabyte, mostly cold, mostly yours alone: keep it local, and spend the money you saved on a backup drive instead.
4. 4Genuinely unsure: the local option is the reversible one. Files stay where they are, so changing your mind later costs nothing but the upload you were going to do anyway.

If you land in the local column, the organizer roundup covers which tool, free options first, and is paid software worth it is the argument about whether to spend anything at all. Offline managers that read files in place covers the narrower question of which tools genuinely leave your folders alone.