PolyBot Swooped Effector Base

Now that I have a Bezier tool: http://www.thingiverse.com/thing:8454 Everything looks like it needs some swoopy smooth lines on it.

This thing is an experimental variant of the effector tool base for the PolyBot.

One of the things I was after was being able to print without too much warping. The previous design has a lot of surface area in contact with the platform, so it tends to warp.

I think this one might work out well enough, but it needs some mounting holes. It is somewhat param