Overview#
Fusion's core CAM includes a great deal: 2D and 3D milling with adaptive roughing, drilling, turning, Probe WCS and manual inspection, post processing, stock simulation and machine simulation. Beyond that, Autodesk offers extensions, optional add-ons that unlock additional capabilities. For manufacturing the relevant one is the Manufacturing Extension: Autodesk describes it as unlocking advanced manufacturing capabilities for 3- to 5-axis CNC machining, nesting and fabrication, and metal-based additive manufacturing. The features previously offered by the Machining Extension, Additive Build Extension, and Nesting & Fabrication Extension are now part of it.
Other extensions exist for other areas (Design Extension, Simulation Extension, Product Design Extension, and Fusion Manage). The Signal Integrity Extension is no longer available for new purchases or trial.
How you get access depends on your Fusion offering:
| Situation | What Autodesk's help says |
|---|---|
| Fusion for Manufacturing | Includes the Fusion Manufacturing Extension |
| Fusion for Design | Includes the Design Extension, Simulation Extension and Fusion Manage (not the Manufacturing Extension) |
| Free trial of Fusion | All extensions are enabled for the duration of the Fusion trial |
| Extension trial | 14 days, started from the Purchase Manager |
| Purchase | Daily access with Flex tokens (Manufacturing and Design extensions), or monthly or yearly access by payment card; resellers and service partners are also options |
| Personal use | The help says the Upgrade button on the Application bar opens the Purchase Manager Plans and Pricing tab; web client access is not included with personal use. |
Note: not confirmed in Autodesk's documentation: a feature-by-feature list of Personal-use restrictions for CAM (for example any limit on rapid moves in the output). Check Autodesk's current plan comparison for your account. Non-commercial use is a licence-terms matter, also outside the help topics checked.
Where to find it#
- Extensions in the top-right of the Application bar opens the Purchase Manager; its Advanced Capabilities tab lists extensions, with a Select Term list (14-Day Trial, 1 Day (Tokens), 1 Month, 1 Year).
- Commands that belong to an extension that you do not have show an icon next to them; after purchase those icons are replaced by the usual icons.
- Autodesk's help topics for extension features carry the note "This feature is part of an extension" with the extension name.
What the Manufacturing Extension includes#
Autodesk's "What's included" list for the Manufacturing Extension:
| Group | Items |
|---|---|
| Automated whole-part machining | 3-axis Hole Recognition, 3-axis Steep and Shallow, Corner, Deburr, 3+2 Clearing (now called 3+2 Roughing) |
| 4-axis and 5-axis simultaneous machining | Rotary Pocket (now Rotary Roughing), Multi-Axis Clearing (Roughing), Swarf, Advanced Swarf, Multi-Axis Contour, Rotary Parallel, Rotary Contour, Multi-Axis Finishing, 4-axis machining, 5-axis machining and collision avoidance, multi-axis for 3D Contour, Blend and Flow, Inclined Flat machining, Multi-axis Deburr |
| Toolpath modifications | Toolpath trimming, deleting passes or segments, replacing a tool, moving a tool's entry position, modifying leads and links |
| Part inspection and setup | Probe Geometry, Inspect Surface, Part Alignment, Live Part Alignment, Live Connection |
| Additive manufacturing | MPBF, eBeam and deposition machines; support structures; outputting build files; additive process simulation; Multi-axis Feature Construction (DED) |
| Nesting and fabrication | Advanced Arrange, nest preparation controls in Design, materials and packaging, component sources, nest studies, nest comparisons, nest export, material and packaging presets |
| PMI authoring | Hole/Thread Note and Note, usable downstream for automated hole machining and inspection |
What is not in that list#
Per the same topics, these are available without the extension: 2D and 3D adaptive and offset roughing, the standard finishing strategies (Parallel, Scallop, 3D Contour, Pencil, Ramp, Flat and so on), drilling, turning strategies, the 4th axis wrap toolpath and tool-orientation settings (Turn, Tilt, Align to View, Surface normal), Probe WCS, manual inspection, simulation (with and without a machine) and post processing. Fusion's multi-axis overview likewise lists machining with tool orientation and 4th axis wrap as included.
Note: not confirmed in Autodesk's documentation (topics checked): whether sub-spindle transfer, live tooling and Y-axis turning features need the extension; the Turning part-handling topics did not carry an extension flag.
How to decide whether you need the extension#
- Do you need simultaneous 4/5-axis, 3+2 Roughing or collision avoidance? These are in the extension; plain 3+2 using separate setups with tool orientation is not.
- Do you probe? Probe WCS is not marked as an extension feature, but Probe Geometry, Inspect Surface and part alignment are.
- Do you nest sheet parts or prepare metal additive builds? Both are in the extension list.
- Do you edit toolpaths often? Trim, delete passes, replace tool and move entry positions are extension features.
- Is the Manufacturing Extension already included in your Fusion offering? Check before buying.
A sensible approach is to trial it for 14 days on a real part, measure the benefit and compare with the cost (general advice).
Step by step: checking and trying an extension#
- Click Extensions in the top-right of the Application bar to open the Purchase Manager.
- Open the Advanced Capabilities tab and select Manufacturing Extension to see its status for your account.
- Next to Select Term, choose 14-Day Trial and click Start Free Trial (if a trial is available to you). When the trial ends access stops and you are not charged.
- Use the feature on a representative part and record cycle time, setups saved or problems solved.
- To keep access, choose 1 Day (Tokens) and Purchase Now, or 1 Month / 1 Year and Add to Cart, then complete the order in your browser.
Related capabilities outside the extension#
| Capability | Where covered |
|---|---|
| 2D and 3D adaptive roughing | Pocket and adaptive; 3D milling |
| Rest machining | 2D and 3D pages |
| Turning strategies | Turning |
| Post library and post editing | Post processing |
| Setup sheets and NC programs | Post processing |
| Stock and machine simulation | Simulation |
| Tool libraries | Tool libraries |
| Probe WCS, manual inspection | Probing |
Options reference: where a feature sits#
| Capability | Extension needed? (per Autodesk help) |
|---|---|
| 2D milling, 2D and 3D roughing, standard 3D finishing | No |
| Drilling (3-axis) | No; Hole Recognition is in the extension |
| Turning strategies | No extension flag on the strategy topics |
| Steep and Shallow, Corner, Deburr, 3+2 Roughing | Yes |
| Swarf, Multi-Axis Contour, Rotary strategies, 5-axis and collision avoidance, 4-axis machining | Yes |
| 4th axis wrap, tool orientation settings | No |
| Probe WCS, manual inspection | No |
| Probe Geometry, Inspect Surface, Part Alignment, Live Connection | Yes |
| Simulation with or without a machine | No extension flag |
| Nesting (Advanced Arrange, nest studies) | Yes |
| Metal additive, supports, process simulation | Yes |
| Trim, delete passes, replace tool, move entry, modify leads and links | Yes |
Working without extensions: practical substitutes#
| If you want | Without the extension, try (general guidance) |
|---|---|
| Finishing a sloped wall | 3D Contour or Scallop at a fixed tilt using 3+2 setups with tool orientation, accepting visible index lines |
| Access to several faces | Multiple setups with different WCS orientations |
| Automatic probing of offsets | Probe WCS (not an extension feature) or manual edge finding documented in the setup sheet |
| Machine collision checking | Simulate with a machine and fixtures, plus fixture bodies |
| Nested sheet layouts | Arrange parts manually and use 2D Contour with tabs |
| Tool-length measurement macros | The control's own tool setter cycles or a custom post edit |
Evaluating a trial properly#
A trial is only useful if you test it with something real; the extension trial lasts 14 days. Suggested method:
- Pick one part you already make and know the cycle time and problems of.
- Program it the way you do now and record cycle time, number of setups, tool changes, and any scrap or rework history.
- Re-program it using the extension features. Record the same measures.
- Check the posted code on your actual machine in a dry run. A feature that looks great in simulation but that your post cannot output is worthless.
- Compare the savings to the extension cost over a year of the parts you actually make.
Keep notes about which features were decisive. Often one capability (for example, probing, or simultaneous finishing) justifies the cost while the rest goes unused.
Collaboration and licensing across a team#
If several people share documents, align on the same access level for CAM. A program using extension features may not regenerate for a colleague without the extension, and the person who needs to post at the machine may be blocked (general expectation; Autodesk's help describes extension features as locked behind the extension). Consider exporting the final G-code and setup sheet as the handoff, and keep the post and tool library in a shared Cloud or Hub library.
Tips and pitfalls#
Tip: Keep a note of which operations in a file depend on extension features. If you share a document with someone without the extension, those operations may be locked or fail to regenerate.
Tip: Before you commit to a workflow, generate your hardest toolpath and post it. If the post or simulation cannot handle it without an extension, you learn that before the machine is waiting.
Warning: Opening a file that uses extension features on an account without the extension may stop those toolpaths regenerating or posting. Plan collaboration accordingly.
Warning: Extension contents change; Autodesk has already renamed several strategies and merged three extensions into the Manufacturing Extension. Check the current Manufacturing Extension help page.
Practice exercise#
Make an audit table for your own setup. List five manufacturing tasks you actually do (for example, 3-axis aluminum plates, drilled and tapped fixtures, turned pins, 3+2 housings, inspection of bores). For each, note the Fusion operations you would use, then check against the table above and the Purchase Manager whether each command needs the extension.
Expected result: a table showing which tasks are covered by your current access, which need the extension, and which you can restructure to stay within the base product.
Related#
- The Manufacture workspace
- 4-axis and 5-axis milling
- Probing and inspection
- Toolpath simulation