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Creating Parts that Screw Together

jack_heslinjack_heslin Member Posts: 8
Hello Everyone,

Although I've had a free Onshape account for years I've just now started going through the tutorials. I will keep progressing with them but there is something I'm trying to make now. I have a 3D Printer in my home and I want to make a cylinder (hollow) with a screw on top. So the outside of one end of the cylinder needs to be threaded and the inside of the lid needs to be threaded. I've looked for tutorials on this and haven't found anything yet. 

Can someone provide some direction?




  • john_mcclaryjohn_mcclary Member, Developers Posts: 2,812 PRO
    edited March 1
  • jack_heslinjack_heslin Member Posts: 8
    Hi John,

    Thank you very much for the video. I've been practicing and I think I'm starting to get it. But one more question if you don't mind. Once the threads are made at the ends of the U bolt, what's the quickest way to make the opposite threads in a part to screw in there? Is there someone kind of opposite mirror command that would put that thread on the inside of a nut to screw on there? What's the quickest way to do that? 

    Thanks very much,


  • john_mcclaryjohn_mcclary Member, Developers Posts: 2,812 PRO
    I would attach the two parts and boolean subtract the threaded part from the non threaded part. 
  • owen_sparksowen_sparks Member, Developers Posts: 2,660 PRO
    Just a word of warning for 3D printing you'll probably want to allow some tolerance and also round off the peaks of the threads.
    Owen S.
    Business Systems and Configuration Controller
    HWM-Water Ltd
  • john_mcclaryjohn_mcclary Member, Developers Posts: 2,812 PRO
    @owen_sparks correct.

    The option for adding clearance can be done within the boolean-subtract dialogue also:

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