An even better parametric FreeCAD Template for Gridfinity Baseplates
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Create Gridfinity baseplates of any size, padding is added to fill in extra space. You can limit the slice size as well
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Description
Automatically generate Gridfinity Baseplates of any size in FreeCAD, the free and open source parametric modelling software available to anyone at no cost. Check www.freecad.org.
I've taken the original Baseplate model and added padding around the resulting grid so that it can be used to fill any sized area without extra space. The padding layout can be adjusted separately in each axis so that the grids are biased to one side or centered.
I've also added automatically generated planes that can be used to slice the grid according to the bed size of your printer.
How To Use
Open the model in FreeCAD. Double click the “data” entry in the feature tree to open the spreadsheet. Adjust values to your hearts content, and watch the model update in real time.
x_length, y_length: These are the dimensions of area in mm that you're trying to fill with grids.
pad_thickness: The thickness of the extra padding in mm
x_pad_pct, y_pad_pct: [0-100] How the padding is split between each side of the grid, for each axis. eg: 50 puts the grid at the center, 100 puts all of the padding to one side.
max_x_slice_length, max_y_slice_length: The maximal length in mm of the slices in each axis. They are always sliced between grid boxes. Play around with these until you get slices that fit on your build plate and make sense to print.
After you've created the baseplate, and the padding and slice planes are satisfactory, go into the Part workbench, select the Baseplate, x_slicing_planes and y_slicing_planes bodies in the Model tree and click on the Slice apart button (it is an option under the Boolean fragments button as of FreeCAD 1.0.2).
Export the resulting Exploded Slice as an STL, import into your favorite slicer, split into objects and arrange them on your baseplates for printing.
Pro tip: Click on the “Windows” menu, then select “tile” to view both the model view and the spreadsheet in split-screen-mode.
Thanks to Groon (@Vatueil) for creating the original model!
Update:
I've added another version with a small chamfer around the outside of the gridfinity baseplate.