Usually we recommend the stp format but it’s hard to say why it’s not working in this case. Could you share the file here or email it to me aflessner@simscale.com
Did you were able to solve this problem? I’m having similar problems with a STP file. The same “your file could not be uploaded successfully” message. I believe it is related to the size because I eliminated some operations in the geometry in order to make it lighter and then it worked. However the size limit is supposed to be 300 Kb and my file size was 196 kb before the operation elimination and 192 kb after doing it (when it worked). Am I wrong about the size limit? and if I’m not, any idea why is not working?
the upload limit is significantly higher, so this shouldn’t be the issue. It could be that the file can not be correctly translated / imported. If it’s only 300kb could you send it via email / dropbox link?