What is 2D and 3D 1
2D, 3D, BIM - 1: transition from 2D to 3D CAD
Each week I walk you through a different stage in the process of creating 3D drawings from 2D data. For this example, I'll use a relatively simple house plan. In the following weeks I'll be showing you how to create rooms faster with some of the BricsCAD BIM tools, but for now all the commands used are available in BricsCAD Platinum. If you've found your way onto this page, chances are: you're a master at 2D and vector, but when it comes to thinking in the third dimension, you're a little at a loss. If you are completely new to BricsCAD, I suggest you check out our lessons and come back when you're ready.
Commands covered in this tutorial:
The first thing we should do is switch to the 3D or modeling workspace. It is also a good idea to turn on Quad, DYN (Dynamic Inputs), ESNAP and DUCS (Dynamic User coordinates), and to turn Ortho. Off.
Start with what you know.
Chances are you have some 2D and vector drawings. Start by importing them into BricsCAD.
First, I extruded the line up to create the walls.
To do that:
- As you hover over your line work, you will likely find that the quad automatically detects the boundary of the lines and highlights them in green.
Tip: If this is not the case, switch on the limitation in the toolbar of the selection modes.
- You can then use the Quad to select EXTRUDE (also found in the Solids section on the Model tab in the ribbon).
- Small blue boxes (DYN) appear in which you can enter the length and the extrusion angle.
Note: The Extrude function can create both solids and surfaces. Use the mode to toggle between the two extrusion options.
Editing the height
Once extruded, my walls looked too high. I selected the top of the wall with SELECTALIGNEDFACES and then changed the height with push / pull.
To do that:
- Move the mouse over the edge of the wall. The vertex turns orange.
- Press Tab and the selection will change to the top of the wall.
Note: If the cursor does not select the item you want, check the Selection Modes toolbar.
- Then use the SELECTALIGNEDFACES command to select all the wall edges that match the first selection.
- Then use DMPUSHPULL (Direct Modeling section on the Model tab in the ribbon) to shorten the height of the walls.
Closing the gaps
The next thing I noticed was that my building had holes everywhere there should be a door that would likely make it cool. Not quite what I was looking for but easy to fix with Connect with Nearest!
To do that:
Select the face to be machined and use TCONNECT (connect to nearest point) to extrude the edges of the wall and close the gaps.
Adding the soil
Finally, I used the JOIN command to join the lines from the edges of the border and extrude them down to give my building a floor.
To do that:
- Select the lines that make up the edge of the building and use JOIN.
- Then use EXTRUDE to create the floor.
Tip: If you accidentally delete all lines, you can use XEDGES (Extract edges) to create polylines from a node.
Now that the house looks pretty solid. Be back next week when I show you how to make a window out of an inferior engineering drawing.
Don't have BricsCAD yet?
Easy to try, easy to buy, easy to own. This is BricsCAD. Try all of our products free of charge for 30 days at www.bricsys.com. Freedom of choice and perpetual (permanent) product licenses that work in all languages and in any location. You will be enthusiastic.
Rose is Bricsys' English Content Creator. She worked in the automotive, aerospace and defense industries as a technical illustrator before joining BricsCAD. She loves cars, vectors, and 3D prints. You can find the original blog posts by Rose here
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