Flatten a projected sketch from a curved surface

[Anonymous]

I have a curved sketch from some features of my design projected onto a curved surface. The curved surface was created with a spline. I intend to use the sketch as a tracing template to cut/drill the features into a corresponding curved object irl in order to mount my design after 3d printing.

Is there a way to flatten this sketch without stretching/shrinking or projecting it onto another plane to use as a tracing template?  

[davebYYPCU]

I have not checked the Assembly file.

Sheet metal can unfold, or Flat Pattern, sounds like what you want, but won’t work with Spline bodies.  For these you need the Save STL / Mesh Mixer routine.

Might help.....

Might help....

[TheCADWhisperer]

Step 1 - If this were my design - the sketches would be fully defined.  Starting with placing this corner at the Origin.

Digging deeper, I suspect that that curve isn't really what you want (particularly towards the top).

[Anonymous]

Thanks for the reply. 

I'm just learning Fusion, so there is likely a lot I'm not doing correctly or best practice. How did you get to that original sketch where I created the spline? I thought I attached only the projected curved sketch that was derived from my design, but you can see the entire design from that? The shape of the spline fits the object I modeled it to fit against, confirmed with a test print. 

Going back and trying to move the sketch corner to the origin is messing up other actions in the Timeline, so there are probably many more partially defined sketches. The model looks like what I want, so can you think of any incorrect actions leading up to creating the projected curved sketch that prevent me from flattening it?