Meshmixer Is Discontinued: Here's What Dental Labs Should Use Instead

Autodesk shipped Meshmixer's last update in April 2018 and never resumed development. Many dental labs still have it installed and running today. This guide covers what changed and whether it's still safe to use. It also covers which tools fill its role, and how to rebuild a workflow.

TL;DR

• Autodesk shipped Meshmixer's last update, version 3.5 build 474, in April 2018

• The software still installs and runs for many users in 2026, without security updates

• Blender add-ons, exocad, Blue Sky Plan, and Fusion each replace part of its old workflow

• STL and OBJ files carry over cleanly, project files and custom supports do not

When Was Meshmixer Discontinued?

Meshmixer's last version, 3.5 build 474, shipped in April 2018. Autodesk released no update after that build. That date, not a later press announcement, is the point at which development actually stopped.

Autodesk later confirmed the change directly on Meshmixer's own Autodesk App Store listing, stating plainly that the tool would not be supported moving forward. No formal press release followed. The software simply stopped receiving updates while Autodesk's attention shifted to Fusion.

What's less widely known is why Fusion and Netfabb both feel oddly familiar to a former Meshmixer user. In a public Autodesk Community thread, an Autodesk product owner confirmed that Meshmixer's mesh engine underlies parts of both products. The Inspector-style repair logic, the hollow and boolean tooling most dental users relied on, effectively lives on inside Fusion's mesh workspace rather than in a standalone app.

Can You Still Use Meshmixer In 2026?

The last build, 3.5 (474), still installs cleanly on most current Windows 10 and 11 machines. macOS compatibility is less consistent, since Apple's own updates have drifted further from what a 2018 build expects.

Some users report it running without issue on current Windows and macOS builds. Others hit installer errors or compatibility problems on newer operating system versions. Results vary by machine, with no reliable way to predict which side of that split a given lab will land on.

The bigger risk sits underneath the surface. No security patches have shipped in years, leaving known vulnerabilities unaddressed. There's also no vendor to call if a case file gets corrupted mid-workflow, a real concern in a production dental environment handling patient cases daily.

What Did Dental Labs Actually Use Meshmixer For?

Meshmixer covered a specific pipeline, not a vague set of tasks. Naming the actual tools makes the replacement conversation concrete instead of hand-wavy.

A scan from an intraoral scanner such as 3Shape TRIOS or iTero Element 5D, or a lab scanner like the Medit i900, usually arrived as an open surface with no base underneath it. The Inspector tool found holes, inverted normals, and non-manifold edges, and repaired most of them in a single automatic pass.

Make Solid, tucked under the Edit menu, closed that open shell into a watertight mesh, a required step before hollowing it or combining it with anything else. Hollow, in the same menu, carved out interior volume at an adjustable wall thickness, cutting resin use on larger models.

A boolean union merged the closed arch with a library base block in one operation, the step most labs actually meant when they said model base building. A small cylinder run as a boolean difference afterward added an escape hole, letting trapped resin drain out of the hollow shell instead of pooling inside it during the cure.

The support generator handled the last step, laying down adjustable tree supports sized for an organic surface like a full arch, a job a slicer's generic support algorithm tends to handle far less gracefully.

Which Meshmixer Alternatives Are Worth Knowing?

The replacement conversation usually narrows to four names, but a few more are worth knowing before picking one. Each fits a different slice of what Meshmixer used to cover.

#1 Blender, With A Dental Add-on

Blender wins on raw capability and loses on day-one usability. A technician used to Meshmixer's flat toolbar will spend real time relearning where things live, since Blender's node-based, shortcut-heavy interface assumes an animation background nobody in dentistry actually has. Once that hump clears, a paired dental add-on like Blenderfordental or BDENTAL genuinely outperforms Meshmixer on sculpting precision and boolean stability, two spots where Meshmixer's aging engine always felt fragile on a dense arch scan.

• Best for: Labs willing to invest time upfront in exchange for the widest set of tools and no recurring software cost

• Price: Blender is free. Blenderfordental modules are sold individually and one-time, from $9 to $299 depending on the module. The prerequisite Model Designer module costs $79

Pros:

• Covers mesh repair, hollowing, booleans, and support generation in one program

• No recurring license fee once an add-on is purchased

• Backed by a large, active 3D modeling community beyond dentistry too

Cons:

• Steepest learning curve on this list, since Blender wasn't built for dentists

• Add-on quality and support vary by developer, unlike a single vendor product

• Dental-specific tutorials are thinner than for commercial CAD platforms

#2 exocad DentalCAD

exocad doesn't try to be a Meshmixer replacement, and that's exactly its edge. A lab already paying for exocad gets model base building folded into a case workflow it already runs, rather than bolted on as a separate repair pass. It loses on flexibility. Its mesh tools handle typical cases well but are less forgiving than Meshmixer once was on a genuinely messy scan, and there's no equivalent to Meshmixer's free-form sculpt brushes.

• Best for: Labs already running exocad who want one fewer program open during a build

• Price: Flex subscription runs $132 to $322 a month depending on the bundle. A perpetual license runs $3,000 to $13,000 or more, plus an optional annual upgrade contract, priced around $910 a year in one published example

Pros:

• Tightly integrated with common scanners and mills already in a lab's workflow

• Model base building and repair happen inside the same case file

• Backed by an established commercial vendor with formal support

Cons:

• Real cost for a lab that only needs basic mesh repair, not full CAD

• Requires a dongle-based license, adding friction compared to a simple install

• Not a fit for a small lab without an existing CAD investment

#3 Blue Sky Plan

Blue Sky Plan wins by being honestly narrow. It never tried to be a general mesh editor, so unlike Meshmixer, it doesn't buckle on planning specific tasks like sleeve positioning or drill depth calculation. It functions as much as a dental treatment plan tool as a design tool. Its loss is that same narrowness, solving implant cases well and nothing else, so a lab that used Meshmixer for base building or hollowing still needs a second tool alongside it.

• Best for: Practices and labs whose Meshmixer use centered on implant planning or surgical guide design

• Price: Free to download and use, according to Blue Sky Bio

Pros:

• No cost, installs on an unlimited number of computers

• Purpose-built for implant planning, not a general tool repurposed for it

• Exports guide-ready STL files directly, skipping a separate design step

Cons:

• Windows only, with no native macOS support

• Narrow scope, doesn't cover general model base building or resin hollowing

• Needs a capable graphics card and 16 GB of RAM to run comfortably

#4 Autodesk Fusion

Fusion's real advantage over Meshmixer is that someone is still building it. Bugs get fixed, and file format support keeps getting added, and the mesh workspace inside Fusion handles STL repair about as well as Meshmixer did at its peak. What it loses is Meshmixer's simplicity. A two-minute hollow and support job in Meshmixer can turn into a much longer hunt through Fusion's larger interface for the equivalent command.

• Best for: A lab comfortable adopting Autodesk's ecosystem and paying for commercial use

• Price: Free for qualifying personal, non-commercial use under 1,000 dollars in annual revenue. A commercial subscription for lab use costs 680 dollars a year

Pros:

• Actively maintained and updated, unlike Meshmixer itself

• Mesh workspace covers STL editing and repair, echoing Meshmixer's original logic

• Backed by the same vendor, easing data and workflow continuity questions

Cons:

• Free tier explicitly excludes company use, so a dental lab doesn't qualify

• Built for general CAD and manufacturing, not tuned for dental workflows specifically

• Heavier and slower to learn than a single-purpose mesh tool

#5 MeshLab

MeshLab wins on honesty about what it is: a research tool that happens to handle STL repair competently. It fixes holes and non-manifold edges about as reliably as Meshmixer's Inspector did. It loses everywhere Meshmixer's dental users actually spent their time. There's no hollow command tuned for resin printing, no escape hole shortcut, no tree supports. Reaching for MeshLab is reaching for a stopgap, not a real replacement.

• Best for: A lab that wants a lightweight, no-cost backup tool for simple repairs, not a full replacement

• Price: Free

Pros:

• Completely free, with no add-ons or licenses to buy

• Lightweight and fast, even on modest hardware

• Actively maintained by an academic development community

Cons:

• No escape hole or tree support tools built for dental printing

• Interface is dated and less approachable than commercial dental software

• Lacks the boolean and base-building conveniences labs relied on in Meshmixer

#6 Materialise Magics

Materialise Magics wins by outclassing Meshmixer on raw capability. Its nesting and support generation are built for production volume Meshmixer was never designed to handle. It loses on fit. Most dental labs pay for capability they'll never use, and the learning curve assumes a dedicated production technician rather than a chairside tech doing this part time.

• Best for: A high-volume lab or manufacturing-scale operation already invested in industrial-grade print prep software

• Price: Price upon request. Materialise sells Magics as a custom, per-seat annual subscription quote, after moving off perpetual licensing in 2024

Pros:

• Handles very large, complex builds and multi-part nesting at real scale

• Established in regulated manufacturing environments beyond dentistry alone

• Extensive support structure generation and build optimization tools

Cons:

• Licensing cost puts it out of reach for most single-location dental labs

• Overbuilt for a lab whose main need was simple repair and base building

• Steep learning curve suited to a dedicated production technician

#7 Medit Design or 3Shape Model Builder

Both win by removing a step Meshmixer required. A scan that already lives inside Medit Design or 3Shape Model Builder builds its own base without ever exporting to a separate program, something Meshmixer always needed as a manual pass. They lose the moment a case falls outside their own ecosystem. Neither reads a competitor's raw scan gracefully, and neither offers anything like Meshmixer's general sculpting tools for a case that needs manual cleanup.

• Best for: A lab already running a Medit or 3Shape scanner that only used Meshmixer for basic base building

• Price: No separate software cost, bundled with the scanner. Pricing depends on the scanner itself, not listed separately

Pros:

• Already installed for labs running the matching scanner, nothing new to learn

• Model base building happens automatically as part of the scan-to-print pipeline

• No added license cost beyond the scanner itself

Cons:

• Locked to that scanner's ecosystem, unhelpful for a lab running other hardware

• Doesn't cover Meshmixer's resin-specific tools like hollowing or escape holes

• Limited flexibility for cases beyond straightforward model printing

How Do The Meshmixer Alternatives Compare?

The listicle above covers the reasoning behind each option. This table lines up all seven side by side for a fast scan.

Which File Formats Actually Transfer To The New Software?

A format check before switching software avoids losing work mid-case.

STL and OBJ files move cleanly into any of the alternatives above. These are open, widely supported formats, and none of the replacement tools have trouble reading them.

Meshmixer's own project format does not carry forward. Sculpting history, custom supports, and saved settings stay behind when a file leaves Meshmixer. Anything mid-project should be exported to a plain STL before the switch, then supports and any custom work rebuilt in the new tool.

How Do You Rebuild A Workflow Without Meshmixer?

A structured switch beats scrambling through a production emergency later.

• Export every in-progress Meshmixer file to STL now, before anything breaks

• Pick one primary replacement from the comparison table based on the jobs used most

• Rebuild one recurring case type first, using it as a test before full rollout

• Compare the new output against a known good Meshmixer print for the same case

• Retire Meshmixer from production use once the new tool matches that baseline reliably

Does Printer Choice Need To Change Too?

A software switch is a natural point to double-check printer-side compatibility as well.

Export settings and support placement sometimes need retuning after a software change, even when the printer itself stays the same. Labs running an Asiga Max or a Formlabs Form 4B should confirm print settings still match after moving to a new mesh tool, rather than assuming old profiles carry over cleanly.

Dental 3D printer cost varies enough by brand and build volume that it's worth checking current pricing before assuming a printer swap is needed at all. In most cases, the software change alone solves the problem. The site's best dental 3D printer picks and its best resin 3D printer guide cover current options if a hardware change does turn out to be worth it.

Bottom Line

Meshmixer's discontinuation is real, and continued use carries real risk for a production lab. Migrating on a lab's own schedule beats migrating during an emergency. The right replacement depends on which of Meshmixer's jobs mattered most – mesh repair, implant planning, full CAD, or STL editing.