This fusion-design helps with the creation of perfect-fit baseplates with square corners.
Given drawer dimensions, a baseplate is created with the maximum amount of Gridfinity-units, surrounded by a spacer. The baseplate is centered horizontally, spacer for the depth is at the back.
The result is split into printable parts. As the split can't be fully parameterized, the attached file is for drawers similar to Ikea Alex on a 210x210 print bed. See further below on how to adjust the split.
After loading the design into Fusion, open the Solid section and go to Modify → Change Parameters. Adjust the values for drawer_width and drawer_depth to your needs. The baseplate automatically adjusts.
To print the parts, select the body you want to print in the tree view on the left, then File → 3D Print.
If the drawer dimensions are changed significantly or you print on a larger bed, so that the given split is no longer suitable, a bit more manual work is needed.
The last 3 features of the timeline have to be adjusted.
You can also use this technique to create only the spacers without the baseplate. Split on the outer lines of the grid.
The creation of the baseplate is fully parameterized. Based on the drawer dimensions, the grid-size is automatically adjusted. But I wasn't able to make the split into printable parts parameterizable, as it means to operate on a changing number of bodies.
If anyone has an idea, please let me know.
The author marked this model as their own original creation.