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Extending Centermark beyond the edges of a circle

chad_miars
chad_miars Posts: 1 ✭
in Community Support
Is there a method for extending the centermark beyond the edges of a circle? The centermark feature only inserts a small 'tick' marker at the center, I am looking for a large mark, larger than the diameter of the circle.  Any help is appreciated.  

Answers

  • viru
    viru Posts: 619 ✭✭✭✭
    edited December 2016
    @chad_miars, yes you can do that with the help of 2 point center line option. When defining dimensions for a drawing, you will notice that orange snap points appear when you hover over a line or point. There are 4 types of snap points:
    • Square snap points indicate end points
    • Triangle snap points indicate midpoints
    • Diamond snap points on a quad point of a circle or arc indicate one of the quadrants of the circle (User need to select diamond snap for defining center line for circle)
    • Circle snap points indicate an arc or circle's center
    Please refer below video for more detail.


  • H_Wang
    H_Wang Posts: 20 ✭✭
    But when you have say 20 of these center marks, this is very time consuming, any other solutions?
  • john_mcclary
    john_mcclary Posts: 4,095 PRO
    No, not really

    If it is a single part (not assembly)  then you can add them in a sketch in your part studio and show sketch in the drawing view.

    Only slightly faster due to being able to sketch and constraints being quicker is partstudios
  • marc_nelson875
    marc_nelson875 Posts: 4 EDU
    I agree!  Not an ideal situation to draw every line in individually. 


    <pulls out T-square and triangles>

    Enhancement request time!
  • T_Rathier
    T_Rathier Posts: 47 EDU
    There are 2 issues involved here.

    One is that the center mark in Onshape only puts in a small cross. The center mark should have an option to extend it just past the edges of the arc or circle.

    The second one is that 2-point centerlines in Onshape do not recognize the quadrant points of anything less than a 360-degree circle. So, if I want to add centerlines to a shaft hole that has a keyway, I cannot pick quadrant points to do so. Adding centerlines is standard practice for drafting, so this is sorely missed.

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