Assembly 4 Placing a new body in Assembly 4Īssembly 4, by Zolko-123, uses user-assigned “ LCS” (Local Coordinate System) objects to assemble objects relative to one another. Those techniques are being merged into the main FreeCAD development project during the current development cycle, but as of this writing they are not yet available. TNP-related issues can otherwise cause problems for a constraint-based approach if the underlying objects change after the assembly has begun. It is often used in conjunction with realthunder’s fork of FreeCAD, which implements techniques to mitigate the so-called “topological naming problem” ( TNP). It also uses a constraint-based approach to refer to existing geometric entities and align them relative to one another. ASM3) is an assembly workbench written and maintained by developer realthunder. Using the KISS principle: KEEP IT SIMPLE, STUPID Assembly 3 An Assembly 3 assemblyĪssembly 3 (a.k.a. The main goal of A2plus is to create a very simple, easy to use, and not over-featured workbench for FreeCAD assemblies. Successively import more FreeCAD files and apply constraints to position them relative to your other parts. Begin by creating your parts in separate FreeCAD files, then create a new empty file and import the part that forms the basis for your assembly. It uses the same basic workflow as Assembly 2 so users already familiar with that workbench will be able to get started quickly. A2+ Adding a constraint in A2+Ī2+ (Assembly 2 Plus), an assembly workbench by “kbwbe”, is intended as a direct successor to the original Assembly 2 workbench. The order they are presented here (and in the Addon Manager) is alphabetical, not an indication of popularity or “official” endorsement. Note that although the names make it sound like one might be the successor of the other, in fact all three are “spiritual successors” to the no-longer-maintained Assembly 2 workbench.

This article will briefly overview each. Three popular options are A2+, Assembly 3, and Assembly 4. The current 0.20 release of FreeCAD does not include a built-in workbench for assembling individual components into a more complex system: instead, several 3 rd-party addons are available through the Addon Manager, allowing individual users to choose the type of assembly procedure they prefer.

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