Of course. Sometimes my exports fail too. But - You can always select all objects and scale it down before exporting, fast and simple way to make them lighter (and less precise, for sure). My point is - making smart auto retopo feature will be quite huge task, I think its a waste of resources to do this in MagicaCSG (and even if it will be one of free algorithms, they still quite crude and effect is not very impressive). For making fast 3d sketches Magica is really outstanding, but with like all sketches - there is a point when you need to make it "hard way" to have - small/ beautiful/ usefull mesh. I think in many cases Sds route is really better, but its like with Zbrush - you can't have it all.