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The shaft and pulleys share a common centerline. The constraints of the key are set in relation to the keyseat. A constraint in computer-aided design (CAD) software is a limitation or restriction imposed by a designer or an engineer upon geometric properties [1]: 203 of an entity of a design model (i.e. sketch) that maintains its structure as the model is manipulated.
SolveSpace is a free and open-source 2D/3D constraint-based parametric computer-aided design (CAD) software that supports basic 2D and 3D constructive solid geometry modeling. It is a constraint-based parametric modeler with simple mechanical simulation capabilities. Version 2.1 and onward runs on Windows, Linux and macOS.
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Constraint (computer-aided design) Creo Parametric; D. DAC-1;
Geometric constraint solving is constraint satisfaction in a computational geometry setting, which has primary applications in computer aided design. [1] A problem to be solved consists of a given set of geometric elements and a description of geometric constraints between the elements, which could be non-parametric (tangency, horizontality, coaxiality, etc) or parametric (like distance, angle ...
Virtually all of CAD tools rely on constraint concepts that are used to define geometric or non-geometric elements of a model. 2D CAD There are many producers of the lower-end 2D sketching systems, including a number of free and open-source programs.
FreeCAD – Parametric 3D CAD modeler with a focus on mechanical engineering, BIM, and product design. LibreCAD – 2D CAD software using AutoCAD-like interface and file format. SolveSpace – 2D and 3D CAD, constraint-based parametric modeler with simple mechanical simulation abilities.
NaroCAD – a parametric modeling CAD application. PythonOCC – Python wrappers for Open CASCADE. FreeCAD – an open source CAD/CAE, based on Open CASCADE, Qt and Python. SolidModeller – a parametric solid modeller. Includes a constraint based parametric sketcher. Maintained on SourceForge.
These processes optimize certain design objectives against a set of design constraints, allowing the final form of the designed object to be "found" based on these constraints. [4] Parametric tools enable reflection of both the associative logic and the geometry of the form generated by the parametric software.