• nmz787 tested Meshroom photogrammetry on only 2–3 FIB (focused-ion-beam) images and found it fails below ~3 images; the milling action of the FIB also changes the sample between shots, complicating reconstruction.

• OpenCV stereo-depth pipeline suggested as a lightweight alternative: links to StackOverflow answer and official OpenCV depth-map tutorial were shared.

• srk pointed to Mapillary/OpenSfM as another open-source structure-from-motion toolkit that could be tried for the same task.

• Discussion of “open hardware” status: Raspberry Pi deemed “not really open,” Pine64 cited as a more open ARM board alternative.

• kanzure posted link to bitcoin-dev mailing-list thread on open-source ASIC design proposals for Bitcoin mining hardware.

• tongue-in-cheek debate on whether working at Intel makes personal use of Intel CPUs “locally open source”; counter-argument that most employees never see actual RTL or mask data.