Freecad examples update#
Freecad examples code#

When a model defines presets, the user is presented with a choice of available presets in a drop-down-list. Each key is the name of a preset, and the value is the value the parameter will take when the preset is selected by the user.Д®xample: presets= The maximum value ( not applicable to Boolean ) ДЄ dictionary containing key-value pairs. The minimum value ( not applicable to Boolean )

Parameters also have optional attributes, which are provided as keyword arguments:ДЄ description of the parameter, displayed to the user if help is needed value property always returns the user-adjusted value of the parameter.Д®ach parameter has a particular type ( Float, Integer, Boolean ).

Freecad examples update#

Update the def build() so that you use width.value.

Remove the assignment statement where width is hard coded.

Modify the script so that width is another parameter.

Parameters are placeholders that a user can modify separately from the script itself.

Every model should have a Unit of Measure (UOM).

Change the hard-coded width and thickness values and click click Save Changes to re-display the model.

Change the preset configuration value from default to short to see what it does.Д®dit the model script itself.

Pressing ENTER will update the image after you change the values.

Change the length and thickness parameters under Model Parameters.

You can navigate the the space above the model parameters with your mouse.

Change the name of your model by clicking on the pencil.

When you start a model, the application starts with a placeholder.

If you are already logged in select Parts>Create

If you are just joining select Jump Right in.

An example, 'A rectangular block 60mm x 60mm x 25mm, with countersunk holes for M3 socket head cap screws at the corners, and a circular pocket 22mm in diameter in the middle for a bearing.

Before modeling you should describe your objective in words.

CadQuery allows you to locate features relative to others and preserve the design intent.

Many scripting langauges do not provide a way to capture design intent.

CadQuery scripts can build STL, STEP, and AMF faster than OpenSCAD.

Freecad examples code#

It takes less code to create most objects, because it is possible to locate features based on the position of other features, workplanes, vertices, etc.

CadQuery allows you to import/export STEP models, created in a CAD package.

Features supported natively by OCC include NURBS, splines, surface sewing, STL repair, STEP import/export, and other complex operations, in addition to the standard CSG operations supported by CGAL

OpenCascade is more powerful than CGAL.

CadQuery scripts use a standard programming language, python.

CadQuery/FreeCAD scripts share many features with OpenSCAD, a popular open source, script based, parametric model generator. Basically, objects are defined by their enclosing surfaces. In fact CadQuery is based on FreeCAD, which is in turn based on the OpenCascade modelling kernel, which uses Boundary Representations ( BREP ) for objects. Model Scripts can use FreeCAD Scripts or CadQuery. Parametric Parts uses a Model Script, which is a python script that builds a 3D model in response to user input. You can customize, download, and print parametric models or create models with an easy to use API called CadQuery. The application requires a web-gl enabled browser. Parametric Parts is a parametric, web-based 3D modeling application.