This needs further testing. Blender reports the same values after fixing mesh so if there is something that can wrongly calculate volume, evidences poit at being Blender that is wrong
A̶ ̶o̶v̶e̶r̶k̶i̶l̶l̶ ̶b̶u̶t̶ ̶a̶c̶c̶u̶r̶a̶t̶e̶ ̶s̶o̶l̶u̶t̶i̶o̶n̶ ̶t̶o̶ ̶c̶a̶l̶c̶u̶l̶a̶t̶e̶ ̶S̶T̶L̶ ̶v̶o̶l̶u̶m̶e̶ ̶i̶s̶ ̶u̶s̶i̶n̶g̶ ̶B̶l̶e̶n̶d̶e̶r̶ ̶w̶i̶t̶h̶ ̶t̶h̶e̶ ̶3̶D̶ ̶P̶r̶i̶n̶t̶ ̶p̶l̶u̶g̶-̶i̶n̶ ̶
̶T̶h̶e̶ ̶c̶o̶r̶r̶e̶c̶t̶ ̶v̶o̶l̶u̶m̶e̶ ̶o̶f̶ ̶t̶h̶e̶ ̶m̶o̶d̶e̶l̶ ̶i̶s̶ ̶1̶5̶4̶m̶l̶
̶M̶e̶s̶h̶m̶i̶x̶e̶r̶ ̶a̶n̶d̶ ̶o̶t̶h̶e̶r̶ ̶s̶o̶f̶t̶w̶a̶r̶e̶s̶ ̶m̶u̶s̶t̶ ̶h̶a̶v̶e̶ ̶s̶i̶m̶p̶l̶e̶ ̶a̶l̶g̶o̶r̶i̶t̶h̶m̶s̶ ̶t̶h̶a̶t̶ ̶u̶n̶d̶e̶r̶r̶e̶p̶o̶r̶t̶ ̶v̶o̶l̶u̶m̶e̶ ̶a̶n̶d̶ ̶c̶a̶n̶n̶o̶t̶ ̶b̶e̶ ̶t̶r̶u̶s̶t̶e̶d̶.̶
翻譯年糕
