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Feb 3, 2026 8:23 PM UTC
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Modeling Help: Protrusion normal to a non‑planar complex internal cylindrical surface.

I am using Creo Parametric Release 10.0 and Datecode10.0.1.0

Guidance on the workflow to Create a protrusion that stays normal to a complex internal surface.
    tbraxton
    tbraxtonAnswer
    22-Sapphire II
    Feb 4, 2026 2:34 AM UTC

    See the solution post in this previous thread it deals with the general problem of holes normal to a surface. A reference model is included which provides an example of how to do this.

     

    https://community.ptc.com/t5/3D-Part-Assembly-Design/Pattern-to-twist-with-a-geometry/m-p/969470#M136234 

    2 replies

    kdirth
    21-Topaz I
    Feb 3, 2026 9:04 PM UTC

    You can place a point on the surface then create an axis referencing the point and the surface.  The axis will be normal to the surface at the point.

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    tbraxton
    tbraxton22-Sapphire IIAnswer
    22-Sapphire II
    Feb 4, 2026 2:34 AM UTC

    See the solution post in this previous thread it deals with the general problem of holes normal to a surface. A reference model is included which provides an example of how to do this.

     

    https://community.ptc.com/t5/3D-Part-Assembly-Design/Pattern-to-twist-with-a-geometry/m-p/969470#M136234 

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