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As per diagram i have model. I want to make the handle of 180mm as mark in red.

enter image description here

I have tried so far.

Any suggestion or help how it works.

atek
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    https://blender.stackexchange.com/questions/274/how-to-model-effectively-using-exact-measurements – batFINGER Nov 11 '20 at 08:23
  • @batFINGER did get help with the link. i want to make the handle 180mm how it works. Thanks – atek Nov 11 '20 at 08:34

1 Answers1

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I do a lot of modelling for 3D printing, my favorite method for getting dimensions exact is the following:

  1. Make sure vertex auto-merge is off

Step1

  1. Grab the verts you want to make precise and snap them to the vert you want as your "FROM" point "G -> hold CTRL to snap"

enter image description here

  1. Then grab them and move them along the axis you with to move them "G -> Z" and type in your amount "180"

enter image description here

Be aware that this works well for high poly meshes, but low poly meshes will have different dimensions across the centre of a face compared to the edge between 2 faces

Psyonic
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  • can you plz resend the above 180mm final file – atek Nov 11 '20 at 09:27
  • @atek You can post modeling jobs over here: https://blenderartists.org/c/jobs/paid-work/53 – brockmann Nov 11 '20 at 09:37
  • Thanks for sending the file. I have notice the 180mm should be arc and its handle? You have just have should be only the angle of 180mm. Sorry little bit confuse – atek Nov 11 '20 at 09:44
  • lol, I was simply showing you a technique of how to get precise dimensions in Blender. I thought that was the question... Are you asking how to model the round outer shape? – Psyonic Nov 11 '20 at 09:48
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    You mean like this?

    – Psyonic Nov 11 '20 at 09:55
  • How to calculate the angle of arc ....You know the length of the handle and you know the radius (Wiki indicates: "Presently, Olympic plates of 10 kilograms or more are 450 millimetres in diameter." So just enter the radius and the arc length into the calculator you find here .... https://www.omnicalculator.com/math/arc-length#arc-length-formula and use resulting angle in your screw modifier. – 3fingeredfrog Nov 11 '20 at 10:37
  • Thanks for the file at last what i was looking i found it. – atek Nov 11 '20 at 12:17
  • 1 more question. As is mention to right they need 5, 10, 15, 20 to 25kg. How can i set the size for different weight. – atek Nov 11 '20 at 12:23