Customizable swim paddle

This is a customizer to create a paddle sized exactly on your hand dimension.
You can configure it for your hand with open or closed fingers and you can change the shape of the paddle acting on CTW0 control points.
You can make it as a uniform thickness or you can have the hand area embossed, the reason of the hand embossing is mainly to reinforce a bit the center part if you print it thin.
There are some measures you should take of your hand, just put your hand on a paper sheet and draw the contour, with your hand roughly in the position you assume while swimming.
Select Edit_mode=3 and you can see the position of the various points. What you should measure are P1,P2,P3,P4,P5 and V1,V2,V3,V4,V5. Done that, just insert them in the customizer or in the file itself and see the result. From here, you have to adjust the control points CT01 to CT05 to shape the finger (the curve should touch the points T1 etc.)
Then you just select the thickness of the paddle. If you print it with fle