00:30here is the trick to keep everything aligning quickly and accurately without a single warning error
00:37you must follow the golden rules of parametric modeling
00:41if you don't know please look our previous videos the link is given in the description
00:48without wasting any time let's jump straight into the model
00:53now we will check this model it's fully parametric chair or not
01:00just click on the family types and change the minor value like six inches
01:09its width and six inches the length of the table part
01:16and we see this is not a fully parametric model because
01:22its back should be moved with the table length
01:28so we need to define the parameters for its back part
01:36so just click on the back elevation now and now we use the reference plans
01:43just click here
01:46now again we will take another reference plan
01:51okay now we will use the align command
01:56click on this edge and press and click on this reference plan
02:01now press the lock button and lock this value
02:05now again click on this edge and click on the reference plan and lock it again
02:13here we will use dimensions of both new reference plans
02:22now we will assign a parameter to these dimensions like back width
02:36but we will use the instance parameter instead of type
02:41because we need to use a formula inside so we will use instance parameter here
02:47click ok now click on a view and now again click on family types
02:59here we will see the back width now here we will here we will assign the length
03:09equal to back width so just type here
03:17equal to length and apply now you can see width has changed but now we need to lock it again
03:37now we will take another reference plan that will connect in the middle of the back part
03:47now we will take another reference plan that will connect in the middle of the back part
03:48so we will use the command rp rp from the keyboard and once more here but it should be
04:00it will be in the center of the back part we will use manage and snaps check none and only
04:12midpoint choose then click ok
04:15now we will use the reference plan rp rp and now
04:30the middle part of the back part just click here now take dimensions
04:50yes it's equal now
04:57and click on equality
05:03and click on equality
05:04now align the middle reference with this one and now you can see
05:17just locks in there
05:19now click here
05:21change the values now
05:24length should be 3
05:27and width should be 3
05:29and check it now
05:31yes it's working
05:34so if its 4 feet
05:37and here is 4 feet
05:39سيكون هناك سيكون هناك
05:45تفتح الواضحة
05:46مرحباً جداً
05:53المترجم الواضحة
05:58من الخاصة
06:09بسيطة الفرمولة ، سوف اددت
06:13اشترك على الفميلي تيب
06:17وضع لنظم
06:201.78.5
06:27اشترك
06:30وضع لنظم
06:35yes it's almost perfect now
06:48so it's working now we will change the size again
06:53ننص p
06:54حول خطي
06:55بحث PR
06:55وحث وتحضير
06:57وحث تحول خطي
07:02وحث تحضير
07:02وحث تحضير
07:14وحث يفعل
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