Feature-based, parametric, with 2D sketch input with constraint solver. Based on OpenCasCade and Coin3D. LibreCAD is a fork of the QCad Community Edition.
FreeCAD: Using geometry constraints for 2D CAD A great companion to Blender for any architectural visualization artist using only open source software is an open source CAD tool. From all the available options, is one of my favorite choices in this area due to the already great number of features, and the active development. In fact, we have some great new tools in development right now for FreeCAD. One of the new features on development is called Sketcher, which will add constraint-solver capabilities to FreeCAD.
This means that we will be able to draw with geometry-constrained 2D shapes. This is a great tool to use if you want to speed up your drawing workflow. Below, we can see two quick demo videos of the Sketcher feature, showing some of the geometry-based constraints. February 17, 2011 Thank you Allan for your sharing, but i am astonished to know that it can be made professional blueprints with qcad aka caduntu aka libreCad. I really enojoy working with Blender, but the problem comes when i try to create blue prints and sections and elevations of the projects (by the way i’m an interior designer). I have tried using Qcad-Caduntu-LibreCad but i cannot picture professional papers printed out of them. It would be nice if you could show a presentation or like a little tutorial with things you have done, apart of modeling stuff into blender, by that i mean seeing some final papers with dimensions sections and elevation of some of your buildings for example.
I think is hard to find these kind of thing on internet. It would be nice to see those in your site;) i’m a follower so, hope is see something like this here.
Hello, I'm having trouble with the relationship between tasks, say a 'procurement' task and an 'installation' task. Both tasks are part of bigger schedule like for an entire construction project lasting 24 months. The 'procurement' task can start early in the project. The 'installation' task starts late in the project, such that even though they have a FINISH-TO-START dependency, 'procurement' finishes a few months earlier than the 'installation' task.
In other words 'procurement' has some float after it before the subsequent 'installation'. Finally, the 'installation' task although is scheduled late in the project, it is still scheduled to have a bit of float after it, having a few months before the 24-month construction project finishes. I want to make a constraint such that 'procurement' finishes just as 'installation' is supposed to start.
I want to do this without changing the predecessors, duration, start date of 'procurement'. Think of the job site having no space for storage and you need to schedule big equipment to be delivered only when you're ready to install it. I tried using the 'as late as possible' constraint on the 'Procurement' task thinking it would use up the slack /float between it and the 'installation' task. It successfully pushed back the 'procurement' task, such that it finishes right before 'installation' starts.
But it also pushed back 'Installation' such that it ends at the same time as the entire 24-month project construction schedule does. Is there a way where I can have a task (procurement) pushed back against the start of a second task (installation), but without affecting the start and finish of that second task? I'm new to ProjectLibre and have created a project and I want to know if there is a way to remove ALL time constraints from a task. Even with all links deleted, the Start Date could not be changed (I would change it manually and it would go back to what it was) unless I selected the 'As Soon As Possible' constraint.
However, with this selected, all of the Start Dates reverted to the starting date of the project and could not be changed from this unless I linked tasks together. Thanks in advance.
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