Miffy integrated in brio railway track. printed in 72 minutes and 7 seconds [but i think with optimizing and tuning i must be able to get it done in 38 minutes and 51 seconds...]see also facebook.com/europerminutedesignUPDATE: the second one [IKEA Miffy with blue eyes] took 47min58sec...Print and play with it. for the pictured model i used triple outline [fill extra shells on 2] and a 0.2 density, but this is really solid. i think a solidity of 0.07 will do the job as well and 1 extra shell is enough...[to connect 2 Miffy's together, the design must be slightly adjusted i experienced...]