I'm guessing you haven't had much training with Inventor? The sketch point(s) that you saw were the projected origin of the model, which is automatically included in every new sketch, unless you turn off that option. As @Anonymous suggested, you could turn off the visibility of each sketch that was still visible. An even better approach would be to move your imported geometry (derived assembly) to a logical location centered on the origin point as the very first step.
Your modeling practices are somewhat, shall we say, unusual.
- You have repeatedly extruded circles to cut away material where a Hole feature would be the logical tool to use
- You have repeatedly cut the same geometry, often at the exact same size so that there is no effect on the model; did you know that you could edit features at any time after they've been created, thereby avoiding clutter in your feature tree?
- Some of your sketches are not completely constrained, a bad habit to get into; unconstrained geometry can change without you realizing it
You've got an interesting and complex model, but you are making it much more difficult for yourself by not taking advantage of all that Inventor offers. Somehow or other, spend time with tutorials, or classes, or a tutor to get to a higher level of competence with the software-- your designs and your satisfaction with your models will improve considerably.
Sam B
Inventor Pro 2022 | Windows 10 Home 2004
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