Hi people , i am new to 3D printing after 25 years of old school manufacturing.I have TurboCad 15 , can i easily convert CAD files from this into .stl 3D printing files in high resolution or am i better to start again with Sketchup or similar so i get full functionality ?and on that subject , what is the favoured 3D drawing software this month ?My work will be all small machine parts from various plastics thankyou