How to extrude a feature horizontally from an inclined surface without it following the face normal?

yun_ju038
yun_ju038 Member Posts: 2 ✭
in Student Discussion
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Hi everyone,
I am designing a model with an inclined (angled) surface. I want to project/extrude a feature (like a cylinder) horizontally (parallel to the Top/Global plane) starting from this angled face.Currently, when I use Loft or Extrude, the software either forces the extrusion along the face normal (90 degrees to the incline), or the shape deforms and leaves a triangular gap (sagging) where it connects to the slope.Like in SolidWorks, how do I force an extrusion to go straight horizontal from an inclined sketch plane, while automatically filling the gap between the feature and the angled wall? What is the best workaround for this in Onshape or other freeware?Thanks in advance!

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  • robert_scott_jr_
    robert_scott_jr_ Member Posts: 946 ✭✭✭

    Hello. It appears you've created the pyramid from a sketch, the center of which is on the origin. That's a good start. Since you did, you have other readily available planes (right, front) that are perpendicular to the plane of your previous sketch. Use one of those to create a new sketch for the arm projecting from the pyramid. An extrude of that sketch can be used to create the arm. The Extrude tool has selections within it to manipulate the extrude. - Scotty

  • MDesign
    MDesign Member Posts: 1,471 PRO

    Use the direction function in the extrude feature. and pick a plane perpendicular or edge in the direction you want to extrude

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