Create a bare modular industrial smart safety helmet shell for building/infrastructure scanning, STL-ready for FDM 3D...

Create a bare modular industrial smart safety helmet shell for building/infrastructure scanning, STL-ready for FDM 3D printing. Engineering hard-surface enclosure only, no electronics, no human, no textures. Include reinforced LiDAR mounting pads around helmet perimeter, centered forehead dock for Livox Mid-360, left/right side equipment bays for Jetson Orin NX and GSM module housings, rear battery compartment with removable cover, internal cable channels, service covers, M3/M4 screw assembly, printable split parts for 220x220x250 mm bed, 3–4 mm shell walls, 5–6 mm reinforced mounts, ergono...