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Tue, Apr 29, 2014 at 7:52:16 AM | Intro and basic questions

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bac478


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Hi All,

I'm trying to learn revit for strictly personal use at this point.  I am a mechanical engineer and am used to using engineering CAD tools like Autodesk Inventor, Pro/E and Solidworks.  The workflow and modeling approach are very different for these programs.  I want a basic understanding of how Revit is intended to work.  This is really basic stuff like what should be modeled first, first floor walls? building pad? foundation? floors?  I managed to mdel my house with some success but I'm used to using dimensions to change things in parametric modelers.  Revit behaves a lot differently.  The problem I am having at the moment is that when I try to move a first floor wall, my foundation wall and building pad don't follow it.  This is probably just the result of bad modeling practice.  I am used to using sketcher constraints to make line/geometry behave like I want them to.

So right now I have two questions: What is the "right" way to model walls so that they move together and behave as expected?  Where can I find a set of good tutorials and best practices for free?  Again this is only for personal use so I don't really want to spend any money on learning.

Thanks

Edited on: Tue, Apr 29, 2014 at 7:52:49 AM



Edited on: Tue, Apr 29, 2014 at 7:53:04 AM

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Tue, Apr 29, 2014 at 10:01:27 AM | Intro and basic questions

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dgcad


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Learn from CADclips is the best way.

We constrain elements in REVIT to each other, levels, grid lines and reference planes. You can constrain elements from their regular modelled state or within the sketch mode Cryingmagenta lines). You can definitely constrain elements so they move parametrically as you wish. Columns and beams gravitate and align themselves to grids and level with no effort. To create the parametric relationships we use dimensions and alignment tools. You can also drive the modeling through the dimensions without creating any sort of relationship. Draw two paralell walls, place an aligned dimension between the two, select one of the walls and the dimension turns blue. Blue fields are editable. Click the blue dimension and change it. The wall you had selected moves. CADclips have all the tutorials you need.

 

The basic approach I generally suggests is as follows:

Start with the right (robust) project template file (*.rte) with families and settings preset etc.

Place the expected Levels and generate floor plan views.

(note how the Project Browser is setup to organize the views and content)

Place the grid lines and dimension them. Copy and paste the dims from plan to plan to speed things up.

Model the floors, exterior walls, shear walls, openings and windows.

Check your elevation views for cropping.

Make section views as required.

Get a few sheets setup.

Place views on sheets and note the scale etc.

Annotate the views with dimensions.

Go back and model what ever you want depending on the type and size of project.


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Tue, Apr 29, 2014 at 10:22:17 AM | Intro and basic questions

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bac478


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Great information, thank you.

 

I had actually picked up a lot of the stuff you mentioned just from messing around in the program but a few things elude me.  For example it seems like it is a better idea to put floors in after walls because when the pick walls tool is used to define the floors they follow the movement of the bounding walls.  What is the correct way to have two walls on top of eachother and have them stay that way?  Is there are good and bad way to define the wall at creation or are constraints added afterwards?  If I use the align tool to align two windows and then I move one later will the other follow or is it a one time alignment?  I have a lot of small detail questions like this that I am having trouble finding the answers to.  Maybe I just need to spend some time with some good tutorials like the ones suggested.

 

Thanks


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Tue, Apr 29, 2014 at 10:29:54 AM | Intro and basic questions

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dgcad


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After you use the align tool you have the option to 'lock' (little blue lock). Yes, using the pick walls method is great for defining constrained floor edges and it also works with roofs (by foorprint) too. Align can be used in plan, elevation, section and 3d views. You can also 'lock' a dimension by clicking on it but i'd go sparingly on locking dimensions becasue you can quickly over constrain the model. Especially if you have a locked dimension in a view and you can't find it. You'll move a wall in one floor plan and it forces a seperate wall to move and you can't figure out why. If you don't want something to move 'pin' it. Don't lock a dimension.


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