FreeCAD & Python | Using the API for automation

Introduction to FreeCAD Python API. Automate the creation of parts from a CSV (or database) - In this video I use Pandas to read a CSV and send the values as variables into FreeCAD. The FreeCAD code is programmed mainly in C++, but relies heavily on Python The FreeCAD source code is fully multi-platform FreeCAD can be compiled and run without its Graphical User Interface, the code in App is independent of any GUI-related library -solid core functionality is programmed in C++ and end-user tools are written in Python -To get started we will look at creating parts from a CSV, without using the GUI -This could be useful for 3d printing, eg export files as .stl Example of what can be made with FreeCAD : ? https://forum.freecadweb.org/viewtopic.php?f=24&t=59466 FreeCAD API official documentation ? https://wiki.freecadweb.org/FreeCAD_API TL;DW conda install PyQt ? https://anaconda.org/anaconda/pyqt Install FreeCAD: ? https://forum.freecadweb.org/viewtopic.php?f=4&t=56744 ? https://anaconda.org/freecad/freecad git clone https://github.com/FreeCAD/FreeCAD.git freecad-source (get the dependencies using your method of choice) mkdir freecad-build cd freecad-build cmake ../freecad-source make sudo make install or sudo add-apt-repository -y ppa:freecad-maintainers/freecad-stable sudo apt-get update sudo apt-get install freecad Download Macro: ? https://wiki.freecadweb.org/Macro_Pyramid Run from command line - no GUI! ------------------------------------------------------------- # Example Code: file is called fc.py #+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ #|r|e|d|a|n|d|g|r|e|e|n|.|c|o|.|u|k| #+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ import FreeCAD as App #from PySide import QtGui import pandas as pd df = pd.read_csv("c.csv") # (read from SQL eventually) j = len(df) for i in range(0,j): fn =(df.iloc[i]['name']) lw =(df.iloc[i]['width']) lh =(df.iloc[i]['height']) # Make new document for each part - per line of CSV doc = App.newDocument() doc.FileName = fn + ".FCStd" App.ActiveDocument.addObject("Part::Box","Box") App.ActiveDocument.ActiveObject.Label = "Cube" App.ActiveDocument.recompute() #Gui.SendMsgToActiveView("ViewFit") # Uses object called by internal name 'Box' my_box = FreeCAD.ActiveDocument.getObject('Box') my_box.Height = float(lw) my_box.Width = float(lh) doc.save() ------------------------------------------------------------- Run with example data file : "c.csv" name,height,width a1,10,33 a2,3,44 a3,8,28 a4,14,38 ------------------------------------------------------------- From cli type: [rag@~]$ freecadcmd fc.py It will make 4 parts, with sizes as per your csv. ------------------------------------------------------------- Visit redandgreen blog for more Tutorials ========================================= ? http://redandgreen.co.uk/about/blog/ Subscribe to the YouTube Channel ================================= ? https://www.youtube.com/c/DrPiCode Follow on Twitter - to get notified of new videos ================================================= ? https://twitter.com/RngWeb ? Become a patron ? ? https://www.patreon.com/drpi Buy Dr Pi a coffee (or Tea) ☕ https://www.buymeacoffee.com/DrPi Proxies ================================================= If you need a good, easy to use proxy, I was recommended this one, and having used ScraperAPI for a while I can vouch for them. If you were going to sign up anyway, then maybe you would be kind enough to use the link and the coupon code below? You can also do a full working trial first as well, (unlike some other companies). The trial doesn't ask for any payment details either so all good! ? ? 10% off ScraperAPI : https://www.scraperapi.com?fpr=ken49 ◼️ Coupon Code: DRPI10 (You can also get started with 1000 free API calls. No credit card required.) Thumbs up yeah? (cos Algos..) #freecad #tutorial #python

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