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Creating a slotted pipe
mark_ericson
Member Posts: 7 ✭
I'm trying to model a pipe with slots at regular intervals around the pipe. I've seen plenty of models (like a pipe flange) where there are holes distributed around a construction circle extruded normal to the construction circle. But to create my slotted cylinder, I need my slots distributed around the construction circle but the extrusions parallel to the construction circle's plane.
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grochino
Moderator, Onshape Employees, User Group Leader Posts: 44 
Hi Mark,
Are you looking to create slots around the circumference of the pipe? In this case, a Circular Pattern would be helpful for you.
You can create a sketch of one slot on a plane, Extrude remove this slot. Then insert a circular pattern of this Extrude, using the outer face of the cylinder as the Axis of pattern. Let me know if you had something else in mind.
6
Answers
Are you looking to create slots around the circumference of the pipe? In this case, a Circular Pattern would be helpful for you.
You can create a sketch of one slot on a plane, Extrude remove this slot. Then insert a circular pattern of this Extrude, using the outer face of the cylinder as the Axis of pattern. Let me know if you had something else in mind.
Circular pattern is definitely your way to go for this (and most other cases where you want geometry repeated around an axis). In cases like this (patterning a simple pocket or protrusion) it's usually faster to use 'Face pattern' rather than 'Feature pattern'.
Were you trying to make something more like this? (If we're off the mark with what you're trying to make, maybe post a link to your document so we can see what you already have?)
https://cad.onshape.com/documents/460b484a2ab33dd47f54b63d/w/358ba04794d76769b40eb576/e/f0ea95fb483b36757ef26698