layout sketches

greetings, I have four splines. One makes a simple two point spline curve, the second is it's offset. The remaining two are 3 point splines enclosing the ends of the of the first two. I'm having a hard time getting one of the end splines to close for a profile. I use the coincident constraint when I start and end the…

I have an assembly with 3 parts, Each in their own studio and imported. One of them has a sketch that is located and drawn according to several measurements off of that part. I want to use that sketch to cut the shape in the other two parts, but can not find any way to get the sketch to show up. I have been redrawing the…

You can change the radius of the arc of a fillet but it doesn't respond as a fillet it actually moves the connecting lines to a new position based on the original fillets centre point. Anyone know what I'm doing wrong, presumably its something to do with the constraints?