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Re: Extruding a taper.
Thank you so much, I'll be working on it Monday. Appreciate your time. Thanks again,
Doug
Re: Extruding a taper.
Thank you all for your suggestions, Being I'm just learning Onshape, I'm going to attempt all methods. Excellent practice for sure. Thanks,
Doug
Re: Help! I cant seem to find out how to modify an ellipse how I want
At a wild guess there is only one ellipse here, and it is the construction geom. It is being used to place the ends of a spline, whose handles are dimensioned and also constrained to be vertical or horizonal, respectively. There is initially only one spline but it is then mirrored to create the four… These four splines were then offset by 10mm.
There are a million other possibilities, this is one. For instance, the ellipse is only being used to define the major/minor axes dimensions - you could do it by directly dimensioing the spline endpoints. But perhaps the original user was referencing an already existing ellipse.
Re: Trying to emulate an organic shaped Harley Davidson rockerbox for 3d printing
Back in the days, the plugs for casting these parts have most probably been shaped by hand. You'll need to use surface modelling for this. There are comprehensive tutorials on the topic in the Onshape learning section. I'm afarid you'll have to work through at least some of them. It doesn't come much cheaper.
Re: Extruding a taper.
Here is one way to accomplish what you're looking for. Had to play around a bit to make it work. OS sees the fillets as folding over themselves or something as I tried to thicken. I cut a hole in the middle to adjust variable fillet ends.
Re: opPlane
I'm really not sure how to do this actually. I was curious so I went poking around the code of the native plane feature to see how it's done and didn't notice anything special. Next, I duplicated that code to my own feature studio and it still displayed names on creation. I changed the feature function name from cPlane to cPlaneTest and the names disappeared from planes created by it. This seems to point to some backend solution for it outside of FeatureScript for the native feature.
Re: opPlane
Yep it detects the feature name cPlane which was hard coded on day one. Please create an IR (please).
Re: Extruding a taper.
slight change to my suggestion. create a cylinder and use a wrap surface for the base profile surface feature then loft to a point. I also had to make a small boolean subtract in the center to avoid non manifold error, but it doesn't matter if you change the instance count. the boolean doesn't know how to pickup the additional instances. Would be helpful if the circular pattern could merge with existing parts/geometry. If you finish the part with high instance count and include all the parts you can get it to a single part with many instance variations with just a warning of missing selections.
Was playing with variables. I left the sketch on in the animation to demonstrate what is driving the shape.
MDesign