BCORE-3

For our protobots we need to have corner attachments that Mimic those of the https://www.swervedrivespecialties.com/products/mk5i-swerve-module

It should have the same points of attachment to the 1x2 max tube extrusion that the actual swerve has and should essentially have the same footprint as the entire swerve, so that in prototyping the space that can not be occupied by any other sub-system is clearly visible.