FreeCAD Blog By MangoJelly Solutions

In my 'Lofting Ribs with just two profiles: Part Loft Method' I went into detail how to create multiple profiles from two profiles and a single loft. The trouble is that if we want to lighten the profile we had to do this by creating separate sketches and lofts which were cut away from the loft. We are going to explore a shortcut which allows us to do this all in one go; the curves workbench multi loft tool. Let's take two profiles. Note compared to the previous tutorial all the lighting of the profile has been done in one sketch. We need to create a face from the sketch. Jump over to the part workbench and select one of the sketches and click top menu > part > make face from wires. You will see a face added to the treeview. Repeat for the other sketch. Jump over to the Curves workbench and ctrl select both faces. Click on the top menu > surfaces > multiloft. Our loft is complete and ready for cutting as in my 'Lofting Ribs with just two profiles: Part ...

Introduction to Lattice Workbench: Polar Array - Build a Parametric “Snowflake” One of the more advanced workbenches for manipulating objects into arrays and paths, the Lattice Workbench can be a tricky tool for the beginner. Using the workbench is quite complex due to the sheer amount of tools and features and the way you have to select sometimes three or more objects in a certain sequence before applying an action. Tools that allow you to split an array across a path, create a parametric collection etc the Lattice workbench is a powerful weapon. It even holds tools found on the draft workbench such as upgrade and downgrade but offers a parametric alternative. If you want a good example of how FreeCAD can perform parametric modeling then this tutorial which blends the tool with other workbenches will open your mind to the possibilities. As a side note the Lattice workbench is not just for circular patterns, it's for repeating patterns no matter what the shape. Whether it is ...

Lattice2 : Replicates a Part Design feature at every placement (Basic Pattern Approach) Lattice2 has a tool that is dedicated to creating part design patterns. This tool replicates a part design feature at every placement and creates it as a feature on your part design model. There are two approaches to this and we are going to first look at the basic approach. The other approach requires placement and a second sketch of right angle guides to place the pattern at the desired locations. To use this tool we will take a part design body. And add a feature, let say a latch. Jump over to the Lattice2 workbench and. Now hide the features that created the latch by moving up the treeview until the latch disappears. We need to find the feature that gives us a single edge to repeat the feature across. Select the edge (you can see it highlighted in green). create a Linear array on the top edge by clicking the top edge of the model and clicking on the top menu > lattice2 > linear arra...

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