Hello dear forum community, I have a problem that’s driving me crazy. I extruded an SVG file in TinkerCAD and then imported it into Shapr3D to print it. When I open it in the Bambu Lab Slicer, it is much too large, but at least it can be printed. However, when I scale it down in the slicer, the solid body disappears, and there’s nothing left to print. The same thing happens when I change it in Shapr3D, such as changing the size. Why is this happening? And how can I turn this extruded SVG into a body that I can modify in any way and then print? I would be very grateful for any help or suggestions! 
Are you by chance using STL file format? It doesn’t include units data and so slicers use MM often import STLs in inches as gigantic. I forget the scale difference. I think it’s >25 to one (the inverse of 0.0393701?).
I had this problem in the beginning using Shapr. I had to remember to change the project from inches to MM before exporting.
I no longer use STL, I use 3mf file for printing.
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25.4 to one. 
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Hi, thanks for your answer. I think this could be a problem. I now export files as *.dxf and extrude them myself. No problems anymore 