I'm getting a chance to play around with your software again.....I do a lot of freehand drawing which I convert to 3d....when you do that there is a kind of suggested symmetry in some of the things drawn but it is never perfect (I'm not a robot). That's kind of the appeal of it. 
     One of the things I've been working on is a flower shape that I want to use to make a bowl. I want to cut the convex version of the concave (invert the shade scale). The only way to get the petals to match their concave counterparts on the top is with a reflection. This can be done in another program but all the things that I have done to this hand drawn flower would be lost and I would have to start all over again....is it possible to do a reflection with current software?

Hi Dave.

I just saw your email. The closest functionality that exists right now is the "flip X/Y" options on a layer's properties. This will mirror along the X and/or Y axes. 

There are plans to add ability to rectangle/lasso select and independently manipulate specific areas/sections of raster-layers in the future. Right now the user guide is being updated for v1.44 which will be released on January 1st if there aren't any serious hiccups. :)

Charlie