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Goal of this document
Try to investigate:
- a parallel workflow in FreeCAD and BlenderBIM
- make a detailed ifc4 model both Freecad and BlenderBim
- produce documentation from both
Currently this document is WORK in Progress . Participation is always welcome.
Creating a simple freestanding annex to a country summerhouse.
Existing and proposed
Designed as three (possibly Four) adjoining 'buildings', from left to right in below images and sketches.
- One (Leftmost)
- Kids playhouse with elevated 'bedroom'
- Maybe Storing of firewood and Garden Utensils
This is a minor project, but large enough to investigate and document different approaches.
Some main initial thoughts
- Use OpenBIM, IFC4
- Produce qty Takeoff
Divide project files by discipline
Modeling the project in FreeCAD
Modeling the project with BlenderBIM
- 200813 (August 2020)
Organizing files soon comes vital, plan ahead, avoid spaghetti syndrome
In order to produce a multidisciplinary approach, containing several model. Model should for BIM purposes be linked, not appended
The biggest advantage of linking is that it makes files easier for Blender to compute. It also makes it easier for you to manage - provided you have a coherent structure. The Linked Library Addon can be considered essential for workflow.
Setting the background in one file that you linked in, should give no problem, and you will probably wish you did it sooner
The steps are the same as appending: File > Link or Ctrl+Alt+O, find the .blend file to link from, then select the element you wish to link, and click Link from Library in the top right.
As a resource: there is an excellent explanation on - Jason's Blog