Prevent duplicate 3D model files #1586

Job	Run time
stylecheck	21s
build-pr-review	4m 6s
build-opensuse (all)	13m 43s
build (ubuntu:focal, g++, gcc, all)	15m 8s
build-opensuse (horizon.so)	4m 30s
build-debug	15m 24s
build (ubuntu:focal, g++, gcc, horizon.so)	5m 3s
build-arch (all)	15m 35s
build (ubuntu:jammy, g++, gcc, all)	12m 41s
build-arch (horizon.so)	4m 30s
build (ubuntu:jammy, g++, gcc, horizon.so)	5m 3s
build (ubuntu:noble, g++, gcc, all)	14m 26s
build (ubuntu:noble, g++, gcc, horizon.so)	5m 7s
build (debian:bullseye, g++, gcc, all)	13m 26s
build (debian:bullseye, g++, gcc, horizon.so)	4m 48s
build (debian:bookworm, clang, clang, all)	13m 37s
build (debian:bookworm, clang, clang, horizon.so)	4m 42s
build (debian:bookworm, g++, gcc, all)	14m 48s
build (debian:bookworm, g++, gcc, horizon.so)	4m 42s
	2h 51m 40s

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