Picture placeholders in Storyline 360
Previously I've been frustrated by the inability of SL2 to allow custom picture placeholders, so was pleased to see that Storyline 360 offers "enhanced picture placeholders...can be any shape you like".
However I've not been able to see how I can build custom shapes - the functionality in 360 looks almost identical to SL2. In PowerPoint, you can edit points or combine shapes, but in SL I'm stuck - can anyone help?
For example, how would I create a right angle trapezium as pic placeholder?