Check out all three variations:
[url=https://www.shapeways.com/cart/addMultiple?model_id[]=1449418] 17mm
(2x default)[/url]
[url=https://www.shapeways.com/cart/addMultiple?model_id[]=1449526] 17mm
(1x default; 1x mirrored)[/url]
[url=https://www.shapeways.com/cart/addMultiple?model_id[]=1449512] 17mm
(2x mirrored)[/url]