3D Modelling for 3D Printing in FreeCAD| Beginner Tutorial
In this video we delve into the intricacies of 3D printing modeling using FreeCAD software. The tutorial begins by drawing a comparison between FreeCAD and Blender, two powerful tools used for 3D modeling.
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Video 2 of 2 in 3D modelling & 3D printing using FreeCAD
Description
The video guides viewers on how to initiate a new free cut file from the workbench menu and draw the profile of a hanging clip using the polyline tool. It also demonstrates the process of adding constraints to secure the accurate dimensions of the profile, aiming to reduce the degrees of freedom to zero.
Viewers are instructed to select the initial line and add a horizontal distance constraint, adjusting points as necessary to preserve the original profile. The tutorial also covers the addition of vertical distance constraints to establish the overall height and thickness of the model.
The video provides specific measurements for each constraint and encourages viewers to manipulate the points for a clearer view of the profile. It then outlines the process of creating a 3D model using a sketch in FreeCAD, which involves selecting lines, adding constraints, and manually inserting more constraints as needed.
The tutorial suggests using the pad tool to assign a specific length to the sketch and creating a new sketch with the polyline tool to draw a shape for subtraction from the original model.
The video demonstrates the use of the pocket command to subtract a shape from the sketch and the creation of another sketch with added constraints, which is then subtracted from the previous sketch using the pocket tool.
The tutorial concludes with a step-by-step guide on creating a 3D model in FreeCAD, which includes creating two holes, adding constraints, rounding edges, and converting the model to a mesh for 3D printing. It also provides instructions on creating and exporting a mesh object in STL format, which is then imported into slicing software, checked for correct dimensions and material, and exported as G-code for printing.