Dear Sir,
i am mechanical engineer, with experience of the engineering design using solidworks, as that STL design file can be made using solidworks, with modelling
also, with design report include the calculations for the fan
but i would like to make sure of something, about is this a fan for ceiling or standing fan?, just to not misunderstand something and design what you need exactly
let me know if you're curious to discuss the project with me in message,
will appreciate your response,
regards