Paired cylindrical gears maker

Paired cylindrical gears maker




The plugin creates pairs of cylindrical gears for a given set of parameters. Units can be switched between millimeters and inches. You can change ordinary settings like module, pressure or helix angle or apply modifications by profile shifting, backlashes, tapering or chamfers. Components can be copied between documents and merged with other bodies or changed and reshaped if needed. 



  • units (millimeters or inches),
  • module,
  • pressure angle,
  • clearance factor,
  • thickness,
  • teeth shape: straight/helical/herringbone/double-helical/double helical (shifted),
  • helix angle (for non-straight teeth),
  • tooth view: normal or axial (for non-straight teeth),
  • teeth direction of pinion: right/left (for non-straight teeth),
  • groove width (for double helical teeth),
  • groove depth (for double helical teeth),
  • teeth numbers,
  • profile shift factors,
  • taper factors,
  • backlashes,
  • chamfers: none/both,
  • chamfer width factor,
  • chamfer height factor,
  • the orientation of the wheel in relation to the pinion.


Detailed information about parameters is available on this site or in the Parameters.pdf document in the plugin’s installation folder (please check the last tab Information to know where the plugin files are located).


Other features:

  • displaying top land thickness (only for external gears),
  • parameters of elements saved in component (Properties field),
  • showing preview with or without parameters,
  • save, load, reset, autoloading last used parameters,
  • showing estimated time during changing parameters,
  • showing process (canceling available),
  • creating elements in a new document,
  • showing descriptions and graphics of inputs,
  • links to the privacy policy, documentation, and plugins' directories.


The attached video shows how to use the plugin and how to create a complex example that requires few designs.

Execution in most cases takes less than half of the minute on an i7/8GB RAM/512GB SSD computer. During the operation a progress bar with the current step is visible and the process can be always canceled.



The plugin doesn't check interferences automatically and doesn't perform any analysis of prepared components. Please make sure that the necessary check is done before releasing this onto production. You must be aware that the real dimensions of manufactured components may be different than in the design. Every material has different characteristics and its parameters may change during time depending on the kind of material, temperature, and humidity of the environment, workload, etc. Simplest motion analysis can be done by using joints and motion rules prepared by the plugin. Both involute and trochoid interferences can be checked by eyes but there’s a better, dedicated built-in tool (TOOLS à Interference) available in Fusion 360.

Read Help Document

About This Version

Version 3.0.0, 9/15/2020
New: * manual center distance (in X-Y orientation mode), * preview modes, * units (millimeters or inches), * pairing modes (external-external, external-internal, internal-external), * orientation modes of the wheel (by X-Y or angle), * taper factors, * displaying ratio, * displaying top land thickness (only for external gears), * two additional modes of chamfers (left or right only), * teeth direction available also for herringbone and double helical teeth (not displayed but no need to rotate components later), * process can be canceled, * links and paths (help, documentation, plugin folder), * checking for updates, * parameters saved in components, * showing estimation time Changes: * interface reorganized and divided into tabs, * new, more accurate algorithm for generating tooth's profile, * components created in a new document, * separate clearance replaced by one, * ranges of parameters (links to documents are displayed on the last tab), * improved error's handling and displaying of messages

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