Labels Milestones
Back- BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design.
- 0, 45] cube([2, 2, KnobHeight+.001], center=true); cube([RingWidth*.5.
- 5.491410e+000 1.747200e+001 facet normal -4.325091e-001 7.407266e-001 5.140622e-001 facet.