![]() ![]() We delete the two sides that we don’t need with the delete key and position the two sides that later will become supporting elements 30 mm inwards. We just fill in the width, height, length of the box and the the thickness of the material – which is 3.1 millimeter – and get a box of that size. ![]() The box design tool from the workbench gives us a head start and creates the necessary pieces easily. We want the mounts to have a length of 150 mm and the short sides to be around 25 mm wide. Designing the shape with the laser cut interlocking workbench In FreeCAD we switch to the LC Interlocking workbench. Install the workbench following the instructions on the website. The LC Interlocking Workbench is a great way to design even quite complicated shapes for the laser cutter. This is a bit too complicated to model as a simple 2d model in Inkscape as we have shownįreeCAD however is easily able to handle this design. These mounting brackets are designed to hold the cooling unit of the K40 that we build here. We will create a simple mounting bracket as an example. In this article we will design 3D objects for laser cutting using the free and open source CAD software FreeCAD. ![]()
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