Zack Freedman’s original Gridfinity Base Plates
https://thangs.com/designer/ZackFreedman/3d-model/Gridfinity%2520Baseplates-60925

I’m a big fan of Gridfinity and magnets but the crazy filament cost to print the weighted baseplates to utilize magnets was too high. So I remixed the weighted baseplate to remove all features I don’t really care about leaving a lean magnetic baseplate. Roughly 60% reduction in filament cost from the original weighted baseplate. 

Uses 6x2mm magnets

Excerpt from Zack’s post for printing instructions as that doesn’t change from his to mine.

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A Prusa i3 Mk3 can print up to a 5x5 grid. No matter what you use, make sure your bed adhesion and release is dialed in - these love to curl, and their high surface area can make them challenging to remove.

Gridfinity Tips!

• No brims or support required!
• Use any filament with an 0.6mm or smaller nozzle.
• Wider plates can curl, so maximize your bed adhesion if you're going big!
• All storage blocks are compatible with all baseplates!
• Most storage blocks are stackable!
• You can add 6x2mm magnets to the corners! They won't magnetize the contents.
• You can also use M3 screws in the corners.

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PSA: Some models may sink into the build plate when loaded into your slicer. Make sure to zero out the z placement height if features are missing. [FIXED in Update2]

Update: Added nx8 files

Update2: Added 2 new versions, one without holes in the magnet holes and another that the magnets press fit into. I also fixed the issue where the model would sink into the build plate when loaded into certain slicers.

Update3: @ThaWaz_1898880 requested some nx10 and nx9 baseplates. I only added the Press_Fit_Magnet ones, but can add other on request.