This is a safe case for the openpilot CC3D
http://www.openpilot.org/products/openpilot-coptercontrol-platform/
Hardware requirements:
for mounting case to frame:
1x 3M or similar double side adhesive dot/square (thin foam type - approx 1"-25mm Dia./Square)
for mounting board to case:
4x M3 Bolt 15mm length (any type) - Bolt head sits recessed in case so that case sits flat on frame
4x M3 Nut
4x 3mm Washer
4x Rubber O-ring Optional (Plumbing Hardware)
CC3D Case design by Hummer.