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    NaroCAD is a fully fledged and extensible 3D parametric modeling CAD application.

NaroCAD is a fully fledged and extensible 3D parametric modeling CAD application. It is based on OpenCascade.

The goal of this project is to develop a fully fledged and extensible 3D CAD software based on the concept of parametric modeling of solids, comparable to well known solutions.

These functionalities are interrelated through Model Associativity and are exposed through a GUI. The general usability specifications like saving, importing are described in General functionality specifications . The software can be extended through Plugins and programming interface.

New Release! You can download NaroCAD 1.8.7!


Latest blog

  • September 1, 2014

    Extrude Improvements Demo

    Today I finished the code for the first part of the extrude improvements, which allows us to push or pull the top of an extruded

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  • August 19, 2014

    Extrude Improvements

    I started working on improving the Extrude functionality, mainly allowing the user to click on a face of an existing solid and extrude it, without

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  • July 28, 2014

    Sketch Improvements Demos

    The new version of NaroCAD will include several improvements for the Sketch functionality. One of them is the existence of three default planes: Front, Top

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  • July 21, 2014

    Default Planes for Sketch Creation

    I’ve added the three default planes and they are used in two situations: if we start a sketch (by clicking the Sketch button or one

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  • July 10, 2014

    Improvements for Enter Sketch

    I am now working on several improvements which will allow us to create new sketches and edit existing ones quicker and without as many mouse

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Latest Tutorials

  • September 9, 2014

    Extrude Improvements for Dragging Sides an Bottom of Solid

    Today I’ve commited the code changes for dragging the bottom and sides of an extruded rectangle: Dragging the bottom of the solid updates the position

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  • May 23, 2014

    Angle Draft Tool

    The Angle Draft tool allows the drafting of one face (multiple selection for faces to be drafted is not currently possible). The steps for using

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  • February 22, 2014

    CSE Arc

    The CSE arc is defined by three points: the center, the start point and the end point. After setting the start point, moving the cursor

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  • January 28, 2014

    Dimension and Measure Tools

    The Dimension tool can be used to obtain the length of an already drawn line or the radius of a circle. The Measure tool can

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  • January 17, 2014


    Ellipses can be drawn by choosing the tool from the circle submenu: There are three points needed to define the ellipse: the center and two

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