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The frame base. 4x 4mm carbon fiber tubes sandwiched and epoxied between 2 cross connectors made from 0.5mm pcb material.

The last missing pieces of the frame just arrived from Shapeways. Motor mounts and ESC clips.

MinimaBL(right) vs Minima(left) size comparison.

The print tolerances are pretty good. The motors fit snugly.

Wiring. The motors are soldered directly to the ESCs

The control board is taking shape.

Programming via an STM32F4DISCOVER board. The serial-to-usb cable is connected to output "Hello World" in a console, obviously :)

Ready to go with a (in this case) 460mAh battery.