Hi niko,

> The c-plane solution only works if a curve is completed because
> only then can you snap at the end point of that curve.

Normally for the cplane method you would place the cplane before drawing the curve. Then when you draw the curve it would be on that plane. If you place the plane where you want the start of the curve you then can use Origin osnap to get that same start point when you go to draw the curve.

Also one quick note on the cplane gizmo - normally that aligns itself to curves or surfaces when you place it. If you don't want that you can skip the initial placing stage by doing a right-click, which will place the cplane gizmo in the location of the current cplane and you can grab its origin point and drag it without it auto aligning.

- Michael