Advance Part Modeling in Inventor


  • Use to create part families that differ by size, material or other variables
  • If you have stock designs that you use repeatedly, you can create them as iParts. Then you can use the variations, called members, by selecting them from a table. The designs can differ by size, material, mounting configurations, and so on.
  • Step 1: Create the ipt part close to size needed
  • Step 2: rename the parameters
  • Step 3: Manage → Author panel → Create iPart
    • add parameter, click the Include arrow to add the parameter to the table
    • each value you select is a column in the iPart table, so include only items that need different values in iPart members
    • Other
      • create values such as Color, Material or File Name
  • Autodesk Inventor 2020 Help - About iParts

Tabulated Parts or Configuration Tables

  • Idea is you have a single drawing with dimension variables, then a configuration table along side it, so can have one figure with mulitple configurations. It seems the limited is how many table records can fit on the printed sheet. So if you have an Excel spreadsheet with 100 different customizations and say only 20 records can fit on an 8.5×11 sheet, then will need to create 5 factory iParts.
  • Individual member files behave like derived parts from the factory part
  • Display configuration data of an iPart or iAssembly
  • Autodesk Inventor 2020 Help - Tables in Drawings


  • examples like bolts and nuts

Derived Parts

  • Reference existing parts and assemblies as base components that can then be modified.
  • Think of manually machining a workpiece on a lathe. The original round would be the base component and the modifications who be the different machining steps.
    • A Casting blank can be machined several different ways
    • Derived parts and assemblies are useful for controlling changes to models

Drawing From Derived Parts

  • Step 1 - create raw stock say 1“ round, save as Lathe1stProject-01.ipt
  • Step 2 - create new part, save as Lathe1stProject-02.ipt
  • Step 3 - Manage → Insert panel - Derive
  • Step 4 - make edits
  • Insert each derived part as base drawings
  • Note, AutoCAD can insert Base View → From Inventor (cool!!!)

Simplified Part

  • convert an assembly into a single part


  • Assemble tab → Components Panel → Shrinkwrap
  • removes detail
  • surface part, light weight .ipt


  • Goal is to create a 3D printed part with a knurled surface
  • Inventor 2019 doesn't have a built in Knurling Tool, have to make them manual, similar to cutting threads. Note a thread profile is the same plane as the longitudinal profile whereas the knurl profile is normal to the coil path.
  • Step 1 - create the round workpiece
  • Step 2 - draw the knurl profile, need to extend beyond the end of the knurl
  • Step 3 - coil
    • Pitch 4” means the coil will do one revolution at a height of 4“
      • Then if Height is enter as 2”, the the coil will do half a revolution
      • If Height is entered as 4“, then the coil will do two revolutions
    • Output surface
    • Revolution and height = TPI
  • Step 4 - circular pattern copy
  • Step 5 - mirror

Multi-Body Parts

  • When working with multi-body parts, need to select the solid body (Solids button). Example
  • Extrude with New Solid option
    • Extrude New Solid Body
  • Extrude - select Solid body
    • Extrude Select Solid Body

Civil Engineering Engineering - Computer Engineering - Electrical Mechanical Engineering

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