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hello friends welcome to Frekad tutorial
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and in this tutorial we will learn how
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we can interlink the dimensions for this
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tutorial I am using the Frecad version
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1.0 so you must have at least 1.0 or
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higher version than this if you want to
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can buy my complete free course from
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user had paid $15 but I have only got $5
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if you wanted to see the review of my
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if you found my course interesting and
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then I would request you to buy my
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uh the sections I have shown you on my
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Kofi shop page so exactly same lectures
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under the section is created for example
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section one is a introductions to
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freecad 1.0 and what is new in a freead
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1.0 so if you go to the section one so
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there are the 18 lectures and if you go
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inside of the sections one you will find
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the 18 lecture total and once you go to
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the lecture one you will find a video
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file which you can download to your
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system and you can watch it and this
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course is updated on a equal interval of
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adminxus.com you can find my course link
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on my YouTube channel you can see the
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course link and uh you can also find my
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Kofi course page link on uh pin comments
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descriptions so here I will create a new
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file and I will insert my body and on
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the origin plane and let's select this
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front plane and click on the sketch and
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of the origin plane by pressing the
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space bar now here I will uh create an
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slot and I will merge the arc center
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origin make it a coincidence and
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now we will uh constrain it select uh
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smart dimension and provide this radius
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mm and uh this radius
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200 and now I will uh move this
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point and here I will create a
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construction line to join the origin
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with this arc center so select a line
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tool select this and this and uh made it
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construction so here is a toggle
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and select the line tool and join
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this and we will also make it a
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construction now we will give the
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angular dimension so select the
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angular dimension and provide the angle
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way we will also provide here
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here in the case if you wanted to keep
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the dependency of a one angular
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dimension on other for example if I
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change this angle this will get
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automatically changed
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let's see it let's for example if I make
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it 55 so this is become 55 but it is a
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45 so we will link these two dimension
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so let's see how we can link it so here
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I will again make it a 45 and edit this
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dimension and here I will give the name
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so here it is an angular dimension
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so for my understanding I will give the
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angular dimension alphabet A and it is
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the first angular dimension so I will
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A1 and say okay so name is given here
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and now on the second dimension we will
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edit it and here you will find the
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expression so we will click on here
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expression icon and here we will type
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constraints so once you type the first
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two alphabets you will get here so click
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on the constraint dot and here we are
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seeing the A1 because frecad have saved
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this and we will select A1 so constraint
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dot A1 and we can see the result is 45
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now this is a driving dimension and this
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is the driven dimension so once we
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change the driving dimension let's if I
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make it 60 so you can see that uh this
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dimension is changed to
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30 so this dimensions become 30 if I
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uh 75 so you can see that my dimension
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is changed to the 75 bottom one if I
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20° so you can see that it is a
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perfectly changing so this is how you
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can uh link the dimension in a frecat
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sketch so this is the very simple
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example I took for the slot and this
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method is applicable to the any type of
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a dimension either it is a linear
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dimension angular radius diameter
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anything else so this is how we can uh
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interlink the two dimension in a fread
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thank you for watching and thank you for
