[Woodcarver] relief carving frame

[mrchipps1 at comcast.net]

Friends,

I completed a relief carving from buternut approx 20" x 14" x 3" deep.  I chose 1" x 4" poplar for a frame.  If I screw the poplar to the carving, the different woods will expand and contract differently over the different temperatures.  

To get around this, I plan to make the poplar frame just a little bit larger than the carving and then secure a plywood back to the frame, so what I have will resemble a box.  Then the plywood back will screw into the carving.

Am I on the right track or am I all wet and there is a better way?

Thanks, 

--
Dave 

for you, O Lord, has not forsaken those who seek you. 

Psalms 9:10 
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