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Really need Ellipse and a decent spline
mark_biasotti
Member Posts: 123 ✭✭✭
I'm finding it really hard to go forward with the limited sketch entities that OS provides. I really need Ellipse and I need a decent spline entity - Conic would be super nice to have also. The current spline tool is practically useless without endpoint tangency vector and magnitude control (that is all in addition that I'm asking for.) Also what makes this sketch entity pretty useless out-of-the-box is that you cannot delete interim spline points after the spline is created (at least I could not figure it out) which because of it's limited capability is almost always going to be something the user must do to get the right shape.
Mark
Mark
2
Comments
For the most part I'm going to be asking you to wait: we do understand that ellipses and conics will be needed. Likewise, the ability to insert or remove points from a spline is something we would expect to have at a later date.
As for the tangency vector direction and magnitude at ends, we currently provide a handle that controls the direction and magnitude. It is a point like any other and so you could constraint that point, e.g. add a dimension between it and the end of the spline. You could draw a construction line between the spline end and handle if you wanted to do line stuff with it, e.g. dimension the angle, make it horizontal. I've demonstrated a couple of those techniques in the splines document that I made public. I've also attached a screenshot. If having the line between those points would be regularly useful it is also something we could add on our list of improvements for later.
TVP, Onshape R&D
Mark
TVP, Onshape R&D
Also you need to get in there soon or their use will be very cumbersome.
Mark
Also, I like to dimension control vector lines, specially when they specifically highlight, for example, a pull angle on a plastic injection molded/cast part...
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